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Evolutionary Equations with Applications in Natural Sciences
by Jacek Banasiak Mustapha Mokhtar-KharroubiWith the unifying theme of abstract evolutionary equations, both linear and nonlinear, in a complex environment, the book presents a multidisciplinary blend of topics, spanning the fields of theoretical and applied functional analysis, partial differential equations, probability theory and numerical analysis applied to various models coming from theoretical physics, biology, engineering and complexity theory. Truly unique features of the book are: the first simultaneous presentation of two complementary approaches to fragmentation and coagulation problems, by weak compactness methods and by using semigroup techniques, comprehensive exposition of probabilistic methods of analysis of long term dynamics of dynamical systems, semigroup analysis of biological problems and cutting edge pattern formation theory. The book will appeal to postgraduate students and researchers specializing in applications of mathematics to problems arising in natural sciences and engineering.
Evolutionary Ethics: Volume III (The International Library of Essays on Evolutionary Thought)
by Neil LevyMight human morality be a product of evolution? An increasing number of philosophers and scientists believe that moral judgment and behaviour emerged because it enhanced the fitness of our distant ancestors. This volume collects some recent explorations of the evidence for this claim, as well as papers examining its implications. Is an evolved morality a genuine morality? Does an evolutionary origin deflate the pretensions of morality, or strip it of its force in guiding behaviour? Is an evolutionary approach compatible with realism about morality? All sides of these debates are represented in this volume.
Evolutionary Ethnobiology
by Ulysses Paulino Albuquerque Patrícia Muniz De Medeiros Alejandro CasasEthnobiology is a fascinating science. To understand this vocation it needs to be studied under an evolutionary point of view that is very strong and significant, although this aspect is often poorly approached in the literature. This is the first book to compile and discuss information about evolutionary ethnobiology in English.
Evolutionary Games in Complex Topologies
by Julia Poncela CasasnovasThere are many examples of cooperation in Nature: cells cooperate to form tissues, organs cooperate to form living organisms, and individuals cooperate to raise their offspring or to hunt. However, why cooperation emerges and survives in hostile environments, when defecting would be a much more profitable short-term strategy, is a question that still remains open. During the past few years, several explanations have been proposed, including kin and group selection, punishment and reputation mechanisms, or network reciprocity. This last one will be the center of the present study. The thesis explores the interface between the underlying structure of a given population and the outcome of the cooperative dynamics taking place on top of it, (namely, the Prisoner's Dilemma Game). The first part of this work analyzes the case of a static system, where the pattern of connections is fixed, so it does not evolve over time. The second part develops two models for growing topologies, where the growth and the dynamics are entangled.
Evolutionary Genomics: Statistical and Computational Methods (Methods in Molecular Biology #1910)
by Maria AnisimovaThis open access book addresses the challenge of analyzing and understanding the evolutionary dynamics of complex biological systems at the genomic level, and elaborates on some promising strategies that would bring us closer to uncovering of the vital relationships between genotype and phenotype. After a few educational primers, the book continues with sections on sequence homology and alignment, phylogenetic methods to study genome evolution, methodologies for evaluating selective pressures on genomic sequences as well as genomic evolution in light of protein domain architecture and transposable elements, population genomics and other omics, and discussions of current bottlenecks in handling and analyzing genomic data. Written for the highly successful Methods in Molecular Biology series, chapters include the kind of detail and expert implementation advice that lead to the best results. Authoritative and comprehensive, Evolutionary Genomics: Statistical and Computational Methods, Second Edition aims to serve both novices in biology with strong statistics and computational skills, and molecular biologists with a good grasp of standard mathematical concepts, in moving this important field of study forward.
Evolutionary Genomics
by Maria AnisimovaTogether with early theoretical work in population genetics, the debate on sources of genetic makeup initiated by proponents of the neutral theory made a solid contribution to the spectacular growth in statistical methodologies for molecular evolution. Evolutionary Genomics: Statistical and Computational Methods is intended to bring together the more recent developments in the statistical methodology and the challenges that followed as a result of rapidly improving sequencing technologies. Presented by top scientists from a variety of disciplines, the collection includes a wide spectrum of articles encompassing theoretical works and hands-on tutorials, as well as many reviews with key biological insight. Volume 1 includes a helpful introductory section of bioinformatician primers followed by detailed chapters detailing genomic data assembly, alignment, and homology inference as well as insights into genome evolution from statistical analyses. Written in the highly successful Methods in Molecular BiologyTM series format, this work provides the kind of advice on methodology and implementation that is crucial for getting ahead in genomic data analyses. Comprehensive and cutting-edge, Evolutionary Genomics: Statistical and Computational Methods is a treasure chest of state-of the-art methods to study genomic and omics data, certain to inspire both young and experienced readers to join the interdisciplinary field of evolutionary genomics.
Evolutionary Genomics
by Maria AnisimovaTogether with early theoretical work in population genetics, the debate on sources of genetic makeup initiated by proponents of the neutral theory made a solid contribution to the spectacular growth in statistical methodologies for molecular evolution. Evolutionary Genomics: Statistical and Computational Methods is intended to bring together the more recent developments in the statistical methodology and the challenges that followed as a result of rapidly improving sequencing technologies. Presented by top scientists from a variety of disciplines, the collection includes a wide spectrum of articles encompassing theoretical works and hands-on tutorials, as well as many reviews with key biological insight. Volume 2 begins with phylogenomics and continues with in-depth coverage of natural selection, recombination, and genomic innovation. The remaining chapters treat topics of more recent interest, including population genomics, -omics studies, and computational issues related to the handling of large-scale genomic data. Written in the highly successful Methods in Molecular BiologyTM series format, this work provides the kind of advice on methodology and implementation that is crucial for getting ahead in genomic data analyses. Comprehensive and cutting-edge, Evolutionary Genomics: Statistical and Computational Methods is a treasure chest of state-of the-art methods to study genomic and omics data, certain to inspire both young and experienced readers to join the interdisciplinary field of evolutionary genomics.
Evolutionary Genomics and Systems Biology
by Gustavo Caetano-AnollésA comprehensive, authoritative look at an emergent area in post-genomic science, Evolutionary genomics is an up-and-coming, complex field that attempts to explain the biocomplexity of the living world. Evolutionary Genomics and Systems Biology is the first full-length book to blend established and emerging concepts in bioinformatics, evolution, genomics, and structural biology, with the integrative views of network and systems biology.Three key aspects of evolutionary genomics and systems biology are covered in clear detail: the study of genomic history, i.e., understanding organismal evolution at the genomic level; the study of macromolecular complements, which encompasses the evolution of the protein and RNA machinery that propels life; and the evolutionary and dynamic study of wiring diagrams--macromolecular components in interaction--in the context of genomic complements. The book also features:A solid, comprehensive treatment of phylogenomics, the evolution of genomes, and the evolution of biological networks, within the framework of systems biologyA special section on RNA biology--translation, evolution of structure, and micro RNA and regulation of gene expressionChapters on the mapping of genotypes to phenotypes, the role of information in biology, protein architecture and biological function, chromosomal rearrangements, and biological networks and diseaseContributions by leading authorities on each topicEvolutionary Genomics and Systems Biology is an ideal book for students and professionals in genomics, bioinformatics, evolution, structural biology, complexity, origins of life, systematic biology, and organismal diversity, as well as those individuals interested in aspects of biological sciences as they interface with chemistry, physics, and computer science and engineering.
Evolutionary Gerontology and Geriatrics: Why and How We Age (Advances in Studies of Aging and Health #2)
by Giacinto Libertini Graziamaria Corbi Valeria Conti Olga Shubernetskaya Nicola FerraraThis book provides concrete scientific basis that we can conceive the possibility of modifying or even completely canceling aging process, despite the fact that aging is commonly regarded as the result of the overall effects of many uncontrollable degenerative phenomena. The authors illustrate in detail the mechanisms by which cells and the whole organism age. Actions by which it is possible, or will be possible within a limited time, to operate for modifying aging are also debated.The discussion is conducted within the frame and the concepts of evolutionary medicine, which is also indispensable for distinguishing between the manifestations of aging and: (i) diseases that worsen with age, and (ii) acceleration of normal aging rates, caused by unhealthy lifestyle habits and other avoidable factors. The book also discusses the impact of aging on overall mortality and the strange situation that, according to official statistics, aging does not exist as cause of death.This book is a turning point between a gerontology and geriatrics conceived as the study and vain treatment of an incurable condition and one in which these disciplines examine the how and why of a physiological phenomenon that can be modified up to a possible total control. This means transforming the medical prevention and treatment of physiological aging from the greatest failure to the greatest success of medicine.
Evolutionary History
by Edmund RussellWe tend to see history and evolution springing from separate roots, one grounded in the human world and the other in the natural world. Human beings have, however, become probably the most powerful species shaping evolution today, and human-caused evolution in other species has probably been the most important force shaping human history. This book introduces readers to evolutionary history, a new field that unites history and biology to create a fuller understanding of the past than either can produce on its own. Evolutionary history can stimulate surprising new hypotheses for any field of history and evolutionary biology. How many art historians would have guessed that sculpture encouraged the evolution of tuskless elephants? How many biologists would have predicted that human poverty would accelerate animal evolution? How many military historians would have suspected that plant evolution would convert a counter-insurgency strategy into a rebel subsidy? With examples from around the globe, this book will help readers see the broadest patterns of history and the details of their own life in a new light.
Evolutionary History of the Robust Australopithecines
by Frederick E. GrineIn paleoanthropology the group of hominids known as the "robust" australopithecines has emerged as one of the most interesting. Through them we have the opportunity to examine the origin, natural history, and ultimate extinction of not just a single species, but of an entire branch in the hominid fossil record. It is generally agreed that the human lineage can be traced back to this group of comparatively small-brained, large-toothed creatures. This volume focuses on the evolutionary history of these early hominids with state-of-the-art contributions by leading international authorities in the field. Although a case can be made for a "robust" lineage, the functional and taxonomic implications of the morphological features are subject to vigorous disagreement. An area of lively debate is the possible causal relationship between the presence of early Homo and the origin, evolution, and virtual extinction of "robust" australopithecines.This volume summarizes what has been learned about the evolutionary history of the "robust" australopithecines in the 50 years since Robert Broom first encountered the visage of a new kind of ape-man from Kromdraai. New discoveries from Kromdraai to Lomekwi have served to keep us aware that the paleontological record for hominid evolution is hardly exhausted. Because of such finds no single volume can hope to stand as a summary on the "robust" australopithecines for very long, but this classic volume comes close to achieving this goal. The book sheds new light upon some old questions and also acts to provide new questions. The answers to those questions bring us closer to a fuller understanding and appreciation of the origins, evolution, and ultimate demise of the "robust" australopithecines. Since the "robust" australopithecines most likely stand as our closest relatives, a better understanding of their origin, history, and demise serves to provide heightened appreciation of the course of human evolution itself. This definitive volume addresses the questions and problems surrounding this important lineage.
The Evolutionary History of Witch-hunting: A Qualitative Darwinian Approach
by Steije HofhuisWhy did early modern Europeans hunt for witches? Were these persecutions a shrewd tool to oppress women or the poor, or were they just a way of making money? Or were witch-hunters primarily driven by a genuine belief in witchcraft? The witches’ sabbath, the diabolical pact, and the nightly flight were elements in the early modern concept of witchcraft that seem to have been intelligently designed to trigger persistent witch persecutions. But in contrast to what many past historical scholars presumed, witch-hunts were not based on intelligent design. So how to explain them? This book proposes a new model: Darwinian cultural evolution. It contends that witch-hunting’s apparent design emerged from a hidden evolutionary process in which cultural variants which accidentally unleashed larger persecutions were cumulatively preserved. Witch-hunting did not so much evolve to serve human interests but to ensure its own ‘selfish’ reproduction. Historians have often compared witch persecutions to the outbreaks of contagious disease, but only as a figure of speech. But shouldn’t we take the similarities more seriously? This book argues that witch-hunting was a cultural ‘virus’ that spread at the expense of its human hosts, and thus bridges the gap between qualitative history and the burgeoning field of Darwinian cultural evolution.
Evolutionary Intelligence: How Technology Will Make Us Smarter
by W. Russell NeumanA surprising vision of how human intelligence will coevolve with digital technology and revolutionize how we think and behave.It is natural for us to fear artificial intelligence. But does Siri really want to kill us? Perhaps we are falling into the trap of projecting human traits onto the machines we might build. In Evolutionary Intelligence, Neuman offers a surprisingly positive vision in which computational intelligence compensates for the well-recognized limits of human judgment, improves decision making, and actually increases our agency. In artful, accessible, and adventurous prose, Neuman takes the reader on an exciting, fast-paced ride, all the while making a convincing case about a revolution in computationally augmented human intelligence.Neuman argues that, just as the wheel made us mobile and machines made us stronger, the migration of artificial intelligence from room-sized computers to laptops to our watches, smart glasses, and even smart contact lenses will transform day-to-day human decision making. If intelligence is the capacity to match means with ends, then augmented intelligence can offer the ability to adapt to changing environments as we face the ultimate challenge of long-term survival.Tapping into a global interest in technology&’s potential impacts on society, economics, and culture, Evolutionary Intelligence demonstrates that our future depends on our ability to computationally compensate for the limitations of a human cognitive system that has only recently graduated from hunting and gathering.
The Evolutionary Mechanism of Human Dysfunctional Behavior: Relaxation of Natural Selection Pressures throughout Human Evolution, Excessive Diversification of the Inherited Predispositions Underlying Behavior, and Their Relevance to Mental Disorders
by Ivan FuchsWhy is humanity by far the most successful animal in the animal kingdom, but when it comes to survival of the fittest, we pull against the impulse toward natural selection? Unique among vertebrates, humans develop and practice varied forms of dysfunctional or maladaptive behavior, the graver of which are categorized as mental disorders, which doesn&’t sustain our species. Dr. Ivan Fuchs explains why this is the case, setting his discussion within the fields of psychiatry, evolutionary biology, and genetics, marshalling a wide-range research to make a compelling case. In this work, Dr. Ivan Fuchs provides his theory on human dysfunctional behavior rooted in Darwinian evolutionary thinking. His theory includes: 1. An attempt to identify the basic evolutionary mechanism that leads to dysfunctional or maladaptive behavior that is increasing in human populations. He proposes that this mechanism consists of progressive relaxation of selection pressures originating in the natural environment as a result of the technological and cultural development in human civilization. These developments protect against many natural inconveniences and dangers such as harmful weather conditions; scarce or unreliable food supplies; cruel, even deadly competition for life-sustaining or reproductive resources; danger of predation, and so on. The relaxation of natural selection pressures leads to excessive diversification of innate predispositions that, due to the complexities of social coexistence, has both far-reaching beneficial, as well as harmful, consequences. 2. Dr. Fuchs deals primarily with severe forms of dysfunctional behavior (categorized as mental disorders), pinpointing those genetically based behavioral complexes which predispose humans to anxiety, affective and personality disorders, paranoia, and schizophrenia. 3. Dr. Fuchs also makes clear that the above innate predispositions cannot lead by themselves to the whole clinical picture of diagnosable mental disorder categories. In order for full-blown clinical symptomatology to develop, the innate predisposition has to interact with influences after childbirth, first of all, learning. Consequently, psychiatric understanding and research has to distinguish sharply between those mental (brain) structures and functions which constitute the innate predisposition to a certain mental disorder versus those ones involved secondarily during the lifespan. This consideration is detailed in the case of schizophrenia spectrum of disorders. The above theoretical considerations have important therapeutic, preventive and research implications.
The Evolutionary Mind
by Terence Mckenna Ralph Abraham Rupert SheldrakeStimulating and often startling discussions between three friends, all highly original thinkers: Rupert Sheldrake, controversial biologist, Terence McKenna , psychedelic visionary, and Ralph Abraham , chaos mathematician. Their passion is to break out of paradigms that retard our evolution and to explore new possibilities. Through challenge and synergy they venture where few have gone before, leading their readers on an exciting journey of discovery. Their discussions focus on the evolution of the mind, the role of psychedelics, skepticism, the psychic powers of animals, the structure of time, the life of the heavens, the nature of God, and transformations of consciousness."Three fine thinkers take us plunging into the universe of chaos, mind, and spirit. Instead of leaving us lost, they bring us back with startling insights and more wonder than we knew we had." --Matthew Fox, Original Blessing and Sheer Joy"A jam-session of the mind, an intellectual movable feast, an on-going conversation that began over twenty years ago and remains as lively and relevant today as it ever was. Sadly, Terence had to leave the conversation a little earlier than planned. But the appearance of this book of trialogues at this critical, historical juncture is a reaffirmation of the potency of the optimistic vision that the trialogues express." --Dennis McKenna, brother of the late Terence McKennaRupert Sheldrake is a biologist and author of many books including The Sense of Being Stared At, And Other Aspects of the Extended Mind. Ralph Abraham is a mathematician, one of the pioneers of chaos theory and the author of several books including Chaos, Gaia, Eros: A Chaos Pioneer Uncovers the Three Great Streams of History. The late Terence McKenna was a scholar of shamanism, ethno-botanist, psychedelic researcher and author of many books including Food of the Gods and True Hallucinations.
Evolutionary Multi-Criterion Optimization
by Heike Trautmann Günter Rudolph Kathrin Klamroth Oliver Schütze Margaret Wiecek Yaochu Jin Christian GrimmeThis book constitutes the refereed proceedings of the 9th International Conference on Evolutionary Multi-Criterion Optimization, EMO 2017 held in M#65533;nster, Germany in March 2017. The 33 revised full papers presented together with 13 poster presentations were carefully reviewed and selected from 72 submissions. The EMO 2017 aims to discuss all aspects of EMO development and deployment, including theoretical foundations; constraint handling techniques; preference handling techniques; handling of continuous, combinatorial or mixed-integer problems; local search techniques; hybrid approaches; stopping criteria; parallel EMO models; performance evaluation; test functions and benchmark problems; algorithm selection approaches; many-objective optimization; large scale optimization; real-world applications; EMO algorithm implementations.
Evolutionary Origin of Sensory and Neurosecretory Cell Types: Vertebrate Cranial Placodes, volume 2 (Evolutionary Cell Biology)
by Gerhard SchlosserMost vertebrate cranial sense organs arise from placodes. These placodes give rise to sensory neurons that transmit information to the brain and neurosecretory cells. This book reviews the evolutionary origin of the sensory and neurosecretory cell types. It summarizes our current understanding of vertebrate evolution, clarifies conceptual issues relating to homology and evolutionary innovation of cell types, compares the sensory and neurosecretory cell types with similar cell types in other animals, and addresses the question of how cranial placodes evolved as novel structures in vertebrates by redeploying pre-existing and sometimes evolutionarily ancient cell types.
Evolutionary Paleoecology: The Ecological Context of Macroevolutionary Change
by David J. Bottjer Warren AllmonOne of the most important questions we can ask about life is "Does ecology matter?" Most biologists and paleontologists are trained to answer "yes," but the exact mechanisms by which ecology matters in the context of patterns that play out over millions of years have never been entirely clear. This book examines these mechanisms and looks at how ancient environments affected evolution, focusing on long-term macroevolutionary changes as seen in the fossil record. Evolutionary paleoecology is not a new discipline. Beginning with Darwin, researchers have attempted to understand how the environment has affected evolutionary history. But as we learn more about these patterns, the search for a new synthetic view of the evolutionary process that integrates species evolution, ecology, and mass extinctions becomes ever more pressing. The present volume is a benchmark sampler of active research in this ever more active field.P.K. Strother, Choice
Evolutionary Paleoecology: The Ecological Context of Macroevolutionary Change
by Allmon Warren David J. Bottjer Eds.One of the most important questions we can ask about life is "Does ecology matter?" Most biologists and paleontologists are trained to answer "yes," but the exact mechanisms by which ecology matters in the context of patterns that play out over millions of years have never been entirely clear. This book examines these mechanisms and looks at how ancient environments affected evolution, focusing on long-term macroevolutionary changes as seen in the fossil record.Evolutionary paleoecology is not a new discipline. Beginning with Darwin, researchers have attempted to understand how the environment has affected evolutionary history. But as we learn more about these patterns, the search for a new synthetic view of the evolutionary process that integrates species evolution, ecology, and mass extinctions becomes ever more pressing. The present volume is a benchmark sampler of active research in this ever more active field.
Evolutionary Perspectives on Environmental Problems
by Dustin J. Penn Iver Mysterud E. O. WilsonThe twenty-first century presents an increasing number of environmental problems, including toxic pollution, global warming, destruction of tropical forests, extinction of biological diversity, and depletion of natural resources. These environmental problems are generally due to human behavior, namely over-consumption of resources and overpopulation. Designing effective policies to address these problems requires a deep understanding of human behavior as well as ecology. This in turn requires considerations of human nature, and the evolutionary "design" of the human mind.Evolutionary research on human behavior has profound implications for the environmental sciences. The aim of this collection is to bring together a variety of chapters that show how and why. Part 1, "Human Nature and Resource Conservation," addresses environmental problems from different evolutionary perspectives. Part 2, "The Ecological Noble Savage Hypothesis," examines the notion that our environmental problems are due to Western culture, and that our ancestors and people in indigenous societies lived in harmony with nature until the corrupting influences of Western culture. Part 3, "The Tragedy of the Commons," explores the conservation of common-pool or open-access natural resources, such as fisheries, forests, grazing lands, freshwater, and clean air. Part 4, "The Evolution of Discounting and Conspicuous Consumption," looks at the problem of explaining why people are so ecologically short-sighted and why people in developed countries consume so many resources. Part 5, "Overpopulation and Fertility Declines," addresses the evolution of human reproductive decisions. Part 6, "Biophilia," aims to explain why people cherish nature as well as destroy it.The goal of this volume is to introduce environmental thinkers to evolutionary perspectives on human behavior, and the new interdisciplinary sciences of evolutionary psychology and behavioral ecology. This reader aims to help bridge
Evolutionary Perspectives on Human Development
by Robert Lee Burgess Kevin MacDonaldEvolutionary Perspectives on Human Development, Second Edition considers the role of evolutionary theory in the field of developmental psychology to examine key topics of individual human development. This unique book fills an important gap in the literature, applying evolutionary models to human development by focusing on central development issues. The book emphasizes both domain-general evolved psychological mechanisms and domain-specific processes. The text also integrates behavior-genetic research with evolutionary and developmental principles. Evolutionary Perspectives on Human Development provides state-of-the-art groundwork in evolutionary theory as viewed by leading thinkers in the field.
Evolutionary Perspectives on Pregnancy
by John AviseCovering both the internal and external incubation of offspring, this book provides a biology-rich survey of the natural history, ecology, genetics, and evolution of pregnancy-like phenomena. From mammals and other live-bearing organisms to viviparous reptiles, male-pregnant fishes, larval-brooding worms, crabs, sea cucumbers, and corals, the world's various species display pregnancy and other forms of parental devotion in surprisingly multifaceted ways. An adult female (or male) can incubate its offspring in a womb, stomach, mouth, vocal sac, gill chamber, epithelial pouch, backpack, leg pocket, nest, or an encasing of embryos, and by studying these diverse examples from a comparative vantage point, the ecological and evolutionary-genetic outcomes of different reproductive models become fascinatingly clear. John C. Avise discusses each mode of pregnancy and the decipherable genetic signatures it has left on the reproductive structures, physiologies, and innate sexual behaviors of extant species. By considering the many biological aspects of gestation from different evolutionary angles, Avise offers captivating new insights into the significance of "heavy" parental investment in progeny.
Evolutionary Perspectives on Pregnancy
by John C. AviseCovering both the internal and external incubation of offspring, this book provides a biology-rich survey of the natural history, ecology, genetics, and evolution of pregnancy-like phenomena.
Evolutionary Physiology of Algae and Aquatic Plants
by Mario Giordano John Beardall John A. Raven Stephen C. MaberlyPhotosynthetic organisms have an enormous influence on our environment through their effects on the development of other life on Earth and the way they alter the planet's geology and geochemistry. This book takes a unique approach by examining the evolutionary history of the major groups of aquatic photoautotrophs in the context of the ecophysiological characteristics that have allowed them to adapt to the challenges of life in water and thrive under past and present environmental conditions. The important role played by aquatic photoautotrophs on a planet undergoing unprecedented anthropogenic-induced change is also highlighted, in chapters on their critical function in mitigating environmental change through their physiological processes, and on the role of algae in biotechnology. This invaluable resource will be appreciated by researchers and advanced students interested in the biodiversity and evolutionary physiology of the full range of aquatic photoautotrophs, and their interaction with the environment.
Evolutionary Population Genetics of Drosophila ananassae
by Pranveer SinghThis book introduces readers to classical population genetics and the ways in which it can be applied to practical problems, including testing for natural selection, genetic drift, genetic differentiation, population structuring, gene flow and linkage disequilibrium. It provides a comprehensive monograph on the topic, addressing the theory, applications and evolutionary deductions, which are clearly explained using experimental results. It also offers separate chapters on origin, establishment and spread of chromosomal aberrations in populations along with details of culturing, maintaining and using Drosophila ananassae (genetically unique and the most commonly used species along with D. melanogaster) for genetic research. Encompassing topics like genetics, evolution, Drosophila genetics, population genetics, population structuring, natural selection and genetic drift in considerable detail, it provides a valuable resource to undergraduate and postgraduate students, as well as researchers at all level. This book explores some fundamental questions concerning the role of natural selection and genetic drift on the degree of inversion polymorphism. India, with its wide diversity in geo-climatic conditions, provides an excellent platform to conduct such studies. The book showcases sampling records of inversion frequencies in natural Indian populations of D. ananassae that cover more than two decades. It highlights case studies in which sampling data on inversion frequencies was combined with that from earlier surveys, generating a time series that allows the evolutionary dynamics of inversion polymorphism to be explored. Such long time series are rare but nonetheless crucial for studying the evolutionary dynamics of inversion polymorphism. The population-genetic analysis discussed is unprecedented in terms of its temporal (two decades) and spatial (most regions of India covered) scale and investigates the patterns of polymorphic system in D. ananassae to see if there is any temporal divergence. It endeavors to present a holistic picture of inversion polymorphism across the country (India). Chromosomal aberrations, particularly paracentric inversions, are used as a tool for discussing population genetic studies, helping human geneticists, gynecologists and other medical professionals understand why some aberrations are fatal in humans, with affected embryos often not surviving the first trimester of pregnancy, while similar aberrations in Drosophila flies aid in their adaptation to the environmental heterogeneity across the globe.