Natural Selection And Genetic Drift

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Natural Selection and Genetic Drift

Author : Joshua Richardson
Publisher : Nova Science Publishers
ISBN 13 : 9781634843324
Total Pages : 137 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis Natural Selection and Genetic Drift by : Joshua Richardson

Download or read book Natural Selection and Genetic Drift written by Joshua Richardson and published by Nova Science Publishers. This book was released on 2016 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural selection is the process which, being the most important factor of evolution, promotes rising of adaptability and prevents destructive consequences of all other processes. The concept of natural selection is a discordant problem of evolutionary human genetics. Despite popularity of a hypothesis of "neutral evolution", the majority of scientists consider that selection has played main role in evolution of species and has generated all bio-logical diversity of human populations. This book presents research on natural selection and genetic drift. The author of the first chapter provides an all-embracing macroevolutionary perspective on the processes of the evolution of life and culture on earth. The author investigates a complementary form of natural selection that diverges from the traditional form in that it is acting independently of the external environment. The next chapter discusses natural selection and diabetes mellitus. The last chapter examines how the genetic drift among native people from South American the Gran Chaco region affects interleukin 1 receptor antagonist variation.

Human Population Genetics and Genomics

Author : Alan R. Templeton
Publisher : Academic Press
ISBN 13 : 0123860261
Total Pages : 500 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Human Population Genetics and Genomics by : Alan R. Templeton

Download or read book Human Population Genetics and Genomics written by Alan R. Templeton and published by Academic Press. This book was released on 2018-11-08 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human Population Genetics and Genomics provides researchers/students with knowledge on population genetics and relevant statistical approaches to help them become more effective users of modern genetic, genomic and statistical tools. In-depth chapters offer thorough discussions of systems of mating, genetic drift, gene flow and subdivided populations, human population history, genotype and phenotype, detecting selection, units and targets of natural selection, adaptation to temporally and spatially variable environments, selection in age-structured populations, and genomics and society. As human genetics and genomics research often employs tools and approaches derived from population genetics, this book helps users understand the basic principles of these tools. In addition, studies often employ statistical approaches and analysis, so an understanding of basic statistical theory is also needed. Comprehensively explains the use of population genetics and genomics in medical applications and research Discusses the relevance of population genetics and genomics to major social issues, including race and the dangers of modern eugenics proposals Provides an overview of how population genetics and genomics helps us understand where we came from as a species and how we evolved into who we are now

Mechanisms of Evolution

Author : Christopher J. Paradise
Publisher : Momentum Press
ISBN 13 : 1606509721
Total Pages : 62 pages
Book Rating : 4.6/5 (65 download)

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Book Synopsis Mechanisms of Evolution by : Christopher J. Paradise

Download or read book Mechanisms of Evolution written by Christopher J. Paradise and published by Momentum Press. This book was released on 2016-04-27 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three of the four major mechanisms of evolution, natural selection, genetic drift, and gene flow are examined. There are 5 tenets of natural selection that influence individual organisms: Individuals within populations are variable, that variation is heritable, organisms differ in their ability to survive and reproduce, more individuals are produced in a generation than can survive, and survival & reproduction of those variable individuals are non-random. Organisms respond evolutionarily to changes in their environment and other selection pressures, including global climate change. The importance of spatial structure of a population in relation to how it affects the strength of gene flow and/or genetic drift, as well as the genetic variation and evolution of populations, is shown. Gene flow tends to reduce variation between populations and increase it within populations, whereas genetic drift tends to reduce genetic variation, especially in small, isolated populations. The mechanisms of evolution can lead to speciation, which requires both time and genetic isolation of populations, in addition to natural selection or genetic drift.

In the Light of Evolution

Author : National Academy of Sciences
Publisher :
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis In the Light of Evolution by : National Academy of Sciences

Download or read book In the Light of Evolution written by National Academy of Sciences and published by . This book was released on 2007 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Arthur M. Sackler Colloquia of the National Academy of Sciences address scientific topics of broad and current interest, cutting across the boundaries of traditional disciplines. Each year, four or five such colloquia are scheduled, typically two days in length and international in scope. Colloquia are organized by a member of the Academy, often with the assistance of an organizing committee, and feature presentations by leading scientists in the field and discussions with a hundred or more researchers with an interest in the topic. Colloquia presentations are recorded and posted on the National Academy of Sciences Sackler colloquia website and published on CD-ROM. These Colloquia are made possible by a generous gift from Mrs. Jill Sackler, in memory of her husband, Arthur M. Sackler.

Bioinformatics for Beginners

Author : Supratim Choudhuri
Publisher : Elsevier
ISBN 13 : 0124105106
Total Pages : 238 pages
Book Rating : 4.1/5 (241 download)

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Book Synopsis Bioinformatics for Beginners by : Supratim Choudhuri

Download or read book Bioinformatics for Beginners written by Supratim Choudhuri and published by Elsevier. This book was released on 2014-05-09 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioinformatics for Beginners: Genes, Genomes, Molecular Evolution, Databases and Analytical Tools provides a coherent and friendly treatment of bioinformatics for any student or scientist within biology who has not routinely performed bioinformatic analysis. The book discusses the relevant principles needed to understand the theoretical underpinnings of bioinformatic analysis and demonstrates, with examples, targeted analysis using freely available web-based software and publicly available databases. Eschewing non-essential information, the work focuses on principles and hands-on analysis, also pointing to further study options. Avoids non-essential coverage, yet fully describes the field for beginners Explains the molecular basis of evolution to place bioinformatic analysis in biological context Provides useful links to the vast resource of publicly available bioinformatic databases and analysis tools Contains over 100 figures that aid in concept discovery and illustration

Evolutionary Causation

Author : Tobias Uller
Publisher : MIT Press
ISBN 13 : 0262039923
Total Pages : 361 pages
Book Rating : 4.2/5 (62 download)

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Book Synopsis Evolutionary Causation by : Tobias Uller

Download or read book Evolutionary Causation written by Tobias Uller and published by MIT Press. This book was released on 2019-09-03 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive treatment of the concept of causation in evolutionary biology that makes clear its central role in both historical and contemporary debates. Most scientific explanations are causal. This is certainly the case in evolutionary biology, which seeks to explain the diversity of life and the adaptive fit between organisms and their surroundings. The nature of causation in evolutionary biology, however, is contentious. How causation is understood shapes the structure of evolutionary theory, and historical and contemporary debates in evolutionary biology have revolved around the nature of causation. Despite its centrality, and differing views on the subject, the major conceptual issues regarding the nature of causation in evolutionary biology are rarely addressed. This volume fills the gap, bringing together biologists and philosophers to offer a comprehensive, interdisciplinary treatment of evolutionary causation. Contributors first address biological motivations for rethinking evolutionary causation, considering the ways in which development, extra-genetic inheritance, and niche construction challenge notions of cause and process in evolution, and describing how alternative representations of evolutionary causation can shed light on a range of evolutionary problems. Contributors then analyze evolutionary causation from a philosophical perspective, considering such topics as causal entanglement, the commingling of organism and environment, and the relationship between causation and information. Contributors John A. Baker, Lynn Chiu, David I. Dayan, Renée A. Duckworth, Marcus W Feldman, Susan A. Foster, Melissa A. Graham, Heikki Helanterä, Kevin N. Laland, Armin P. Moczek, John Odling-Smee, Jun Otsuka, Massimo Pigliucci, Arnaud Pocheville, Arlin Stoltzfus, Karola Stotz, Sonia E. Sultan, Christoph Thies, Tobias Uller, Denis M. Walsh, Richard A. Watson

Evolution

Author : Brian Charlesworth
Publisher : Oxford University Press
ISBN 13 : 0198804369
Total Pages : 169 pages
Book Rating : 4.1/5 (988 download)

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Book Synopsis Evolution by : Brian Charlesworth

Download or read book Evolution written by Brian Charlesworth and published by Oxford University Press. This book was released on 2017 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is about the central role of evolution in shaping the nature and diversity of the living world. It describes the processes of natural selection, how adaptations arise, and how new species form, as well as summarizing the evidence for evolution

Natural Selection in the Wild. (MPB-21), Volume 21

Author : John A. Endler
Publisher : Princeton University Press
ISBN 13 : 0691209510
Total Pages : 352 pages
Book Rating : 4.6/5 (912 download)

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Book Synopsis Natural Selection in the Wild. (MPB-21), Volume 21 by : John A. Endler

Download or read book Natural Selection in the Wild. (MPB-21), Volume 21 written by John A. Endler and published by Princeton University Press. This book was released on 2020-03-31 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural selection is an immense and important subject, yet there have been few attempts to summarize its effects on natural populations, and fewer still which discuss the problems of working with natural selection in the wild. These are the purposes of John Endler's book. In it, he discusses the methods and problems involved in the demonstration and measurement of natural selection, presents the critical evidence for its existence, and places it in an evolutionary perspective. Professor Endler finds that there are a remarkable number of direct demonstrations of selection in a wide variety of animals and plants. The distribution of observed magnitudes of selection in natural populations is surprisingly broad, and it overlaps extensively the range of values found in artificial selection. He argues that the common assumption that selection is usually weak in natural populations is no longer tenable, but that natural selection is only one component of the process of evolution; natural selection can explain the change of frequencies of variants, but not their origins.

Population Genetics

Author : John H. Gillespie
Publisher : JHU Press
ISBN 13 : 9781421401706
Total Pages : 240 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Population Genetics by : John H. Gillespie

Download or read book Population Genetics written by John H. Gillespie and published by JHU Press. This book was released on 2004-08-06 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise introduction offers students and researchers an overview of the discipline that connects genetics and evolution. Addressing the theories behind population genetics and relevant empirical evidence, John Gillespie discusses genetic drift, natural selection, nonrandom mating, quantitative genetics, and the evolutionary advantage of sex. First published to wide acclaim in 1998, this brilliant primer has been updated to include new sections on molecular evolution, genetic drift, genetic load, the stationary distribution, and two-locus dynamics. This book is indispensable for students working in a laboratory setting or studying free-ranging populations.

Natural Selection and Genetic Drift Effects on Neutral Polymorphism

Author : Sandrine Adiba
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783847311690
Total Pages : 216 pages
Book Rating : 4.3/5 (116 download)

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Book Synopsis Natural Selection and Genetic Drift Effects on Neutral Polymorphism by : Sandrine Adiba

Download or read book Natural Selection and Genetic Drift Effects on Neutral Polymorphism written by Sandrine Adiba and published by LAP Lambert Academic Publishing. This book was released on 2011-12 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The diversity of living organisms is essential for their capacity to evolve and adapt to environmental changes. Therefore, determining the factors responsible for the origin and maintenance of diversity remain central and fundamental research objective. The aim of this book was to understand the evolutionary factors maintaining neutral polymorphism. Using a biological model consisting of the bacterium Escherichia coli and the social amoeba Dictyostelium discoideum enable us to study the natural variability of interactions between the two species. In the second part of this work, we studied the bacterial traits involved in this natural variability. In coevolution experiments, we followed temporal allele frequency variations over 300 bacterial generations under four sets of environmental conditions: with or without biotic factor and with or without spatial structure. The aim of theoretical model we developed was to address the demographic stochasticity effects on neutral allele fixation probability and time to fixation. This book should be useful to professionals in experimentation or theoretical models or anyone else who may be concerning about evolution and population genetics.

Concepts of Biology

Author : Samantha Fowler
Publisher :
ISBN 13 : 9781680921021
Total Pages : 624 pages
Book Rating : 4.9/5 (21 download)

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Book Synopsis Concepts of Biology by : Samantha Fowler

Download or read book Concepts of Biology written by Samantha Fowler and published by . This book was released on 2017-12-30 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concepts of Biology is designed for the introductory biology course for nonmajors taught at most two- and four-year colleges. The scope, sequence, and level of the program are designed to match typical course syllabi in the market. Concepts of Biology includes interesting applications, features a rich art program, and conveys the major themes of biology. The images in this textbook are grayscale.

The Genetics of Cancer

Author : B.A. Ponder
Publisher : Springer Science & Business Media
ISBN 13 : 9401106770
Total Pages : 222 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis The Genetics of Cancer by : B.A. Ponder

Download or read book The Genetics of Cancer written by B.A. Ponder and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has been recognized for almost 200 years that certain families seem to inherit cancer. It is only in the past decade, however, that molecular genetics and epidemiology have combined to define the role of inheritance in cancer more clearly, and to identify some of the genes involved. The causative genes can be tracked through cancer-prone families via genetic linkage and positional cloning. Several of the genes discovered have subsequently been proved to play critical roles in normal growth and development. There are also implications for the families themselves in terms of genetic testing with its attendant dilemmas, if it is not clear that useful action will result. The chapters in The Genetics of Cancer illustrate what has already been achieved and take a critical look at the future directions of this research and its potential clinical applications.

Conceptual Breakthroughs in Evolutionary Ecology

Author : Laurence Mueller
Publisher : Academic Press
ISBN 13 : 0128160144
Total Pages : 206 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Conceptual Breakthroughs in Evolutionary Ecology by : Laurence Mueller

Download or read book Conceptual Breakthroughs in Evolutionary Ecology written by Laurence Mueller and published by Academic Press. This book was released on 2019-11-19 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although biologists recognize evolutionary ecology by name, many only have a limited understanding of its conceptual roots and historical development. Conceptual Breakthroughs in Evolutionary Ecology fills that knowledge gap in a thought-provoking and readable format. Written by a world-renowned evolutionary ecologist, this book embodies a unique blend of expertise in combining theory and experiment, population genetics and ecology. Following an easily-accessible structure, this book encapsulates and chronologizes the history behind evolutionary ecology. It also focuses on the integration of age-structure and density-dependent selection into an understanding of life-history evolution. Covers over 60 seminal breakthroughs and paradigm shifts in the field of evolutionary biology and ecology Modular format permits ready access to each described subject Historical overview of a field whose concepts are central to all of biology and relevant to a broad audience of biologists, science historians, and philosophers of science

Evolutionary Genetics

Author : Glenn-Peter Sætre
Publisher : Oxford University Press
ISBN 13 : 0192566652
Total Pages : 352 pages
Book Rating : 4.1/5 (925 download)

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Book Synopsis Evolutionary Genetics by : Glenn-Peter Sætre

Download or read book Evolutionary Genetics written by Glenn-Peter Sætre and published by Oxford University Press. This book was released on 2019-05-13 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: With recent technological advances, vast quantities of genetic and genomic data are being generated at an ever-increasing pace. The explosion in access to data has transformed the field of evolutionary genetics. A thorough understanding of evolutionary principles is essential for making sense of this, but new skill sets are also needed to handle and analyze big data. This contemporary textbook covers all the major components of modern evolutionary genetics, carefully explaining fundamental processes such as mutation, natural selection, genetic drift, and speciation. It also draws on a rich literature of exciting and inspiring examples to demonstrate the diversity of evolutionary research, including an emphasis on how evolution and selection has shaped our own species. Practical experience is essential for developing an understanding of how to use genetic and genomic data to analyze and interpret results in meaningful ways. In addition to the main text, a series of online tutorials using the R language serves as an introduction to programming, statistics, and analysis. Indeed the R environment stands out as an ideal all-purpose source platform to handle and analyze such data. The book and its online materials take full advantage of the authors' own experience in working in a post-genomic revolution world, and introduces readers to the plethora of molecular and analytical methods that have only recently become available. Evolutionary Genetics is an advanced but accessible textbook aimed principally at students of various levels (from undergraduate to postgraduate) but also for researchers looking for an updated introduction to modern evolutionary biology and genetics.

Adaptation and Natural Selection

Author : George Christopher Williams
Publisher : Princeton University Press
ISBN 13 : 0691185506
Total Pages : 335 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis Adaptation and Natural Selection by : George Christopher Williams

Download or read book Adaptation and Natural Selection written by George Christopher Williams and published by Princeton University Press. This book was released on 2018-10-30 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological evolution is a fact—but the many conflicting theories of evolution remain controversial even today. When Adaptation and Natural Selection was first published in 1966, it struck a powerful blow against those who argued for the concept of group selection—the idea that evolution acts to select entire species rather than individuals. Williams’s famous work in favor of simple Darwinism over group selection has become a classic of science literature, valued for its thorough and convincing argument and its relevance to many fields outside of biology. Now with a new foreword by Richard Dawkins, Adaptation and Natural Selection is an essential text for understanding the nature of scientific debate.

Darwing and the Theory of Evolution

Author : IntroBooks
Publisher : IntroBooks
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4./5 ( download)

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Book Synopsis Darwing and the Theory of Evolution by : IntroBooks

Download or read book Darwing and the Theory of Evolution written by IntroBooks and published by IntroBooks. This book was released on 2018-02-19 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: A steady course in which something changes into a diverse and unambiguously a more composite form can be described as evolution. Evolution is the method by which an organism converts to a more erudite form over time and in retort to its milieu. The Theory of Evolution is presently the most widely held conception of how life touched its present state. Evolution as a biotic mechanism is driven by natural selection. This theory is favoured by many researchers to elucidate occurrences in nature, so much so that it is usually presumed as actual in most lessons. Evolution is not without dispute, besides religious oppositions, study of evolution in detail advances suspicions which science is bound to answer. Radically, evolution has never been verified and scientists too don’t deny this fact. Paradoxically many evolutionists shield the theory using the arguments once accredited to fundamentalist Christians like, “because I choose to believe”. These scientists bung up in the fissures in the evolutionary model using rational suppositions, something for which non-evolutionists are often carped.

The Causal Structure of Natural Selection

Author : Charles H. Pence
Publisher : Cambridge University Press
ISBN 13 : 1108687423
Total Pages : 142 pages
Book Rating : 4.1/5 (86 download)

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Book Synopsis The Causal Structure of Natural Selection by : Charles H. Pence

Download or read book The Causal Structure of Natural Selection written by Charles H. Pence and published by Cambridge University Press. This book was released on 2021-11-04 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent arguments concerning the nature of causation in evolutionary theory, now often known as the debate between the 'causalist' and 'statisticalist' positions, have involved answers to a variety of independent questions – definitions of key evolutionary concepts like natural selection, fitness, and genetic drift; causation in multi-level systems; or the nature of evolutionary explanations, among others. This Element offers a way to disentangle one set of these questions surrounding the causal structure of natural selection. Doing so allows us to clearly reconstruct the approach that some of these major competing interpretations of evolutionary theory have to this causal structure, highlighting particular features of philosophical interest within each. Further, those features concern problems not exclusive to the philosophy of biology. Connections between them and, in two case studies, contemporary metaphysics and philosophy of physics demonstrate the potential value of broader collaboration in the understanding of evolution.