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Darwin's theory of evolution by natural selection was based on the observation that there is variation between individuals within the same species. This fundamental observation is a central concept in evolutionary biology. However, variation is only rarely treated directly. It has remained peripheral to the study of mechanisms of evolutionary change. The explosion of knowledge in genetics, developmental biology, and the ongoing synthesis of evolutionary and developmental biology has made it possible for us to study the factors that limit, enhance, or structure variation at the level of an
Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology)
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Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology) --- Research.
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Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology)
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A key figure in the field of evolutionary biology, William Bateson (1861-1926) revived Mendelian methods of analysis to develop Darwin's theory of evolution, thereby pioneering the study of genetics. In these lectures, published at Yale in 1913, Bateson systematically chronicles the era's conflicting and developing theories on taxonomy, speciation, variation and hybridisation, and includes his own thoughts on continuous and discontinuous variation and its causes. Drawing on the comparative physiology and anatomy of species that he knew from his wide experience, citing detailed examples from across the taxonomic kingdoms, Bateson brings to life this exciting time in biology. Because the theories central to the modern understanding of genetics, heredity and evolution were formed at this time, this work remains valuable and relevant to students of biology and the history of science.
Evolution. --- Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology) --- Philosophy --- Creation --- Emergence (Philosophy) --- Teleology
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Analysis of Genetic Variation in Animals includes chapters revealing the magnitude of genetic variation existing in animal populations. The genetic diversity between and within populations displayed by molecular markers receive extensive interest due to the usefulness of this information in breeding and conservation programs. In this concept molecular markers give valuable information. The increasing availability of PCR-based molecular markers allows the detailed analyses and evaluation of genetic diversity in animals and also, the detection of genes influencing economically important traits. The purpose of the book is to provide a glimpse into the dynamic process of genetic variation in animals by presenting the thoughts of scientists who are engaged in the generation of new idea and techniques employed for the assessment of genetic diversity, often from very different perspectives. The book should prove useful to students, researchers, and experts in the area of conservation biology, genetic diversity, and molecular biology.
Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology) --- Medical genetics
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This collection of papers summarizes understanding about the extent of genetic variation within wild populations and the ways to monitor such variation. It proposes the idea that an objective of evolutionary ecology is necessary to predict organism, population, community, and ecosystem response.
Population genetics. --- Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology)
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1. Protein Evolution. 2. DNA Evolution. 3. The Molecular Clock. 4. Selection in a Fluctuating Environment. 5. Strong-Selection, Weak-Mutation Approximations. 6. Neutral Allele Theories. 7. Selection Theories
Population genetics. --- Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology)
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Epigenesis. --- Mutation (Biology) --- Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Embryology --- Evolution (Biology)
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Examining the mechanism and action of natural selection in evolution, the author offers his own synthesis of modern evolutionary theory, including discussions of the gene as the unit of selection, clade selection and macroevolution, diversity within and among populations, and other central issues.
Natural selection. --- Variation (Biology) --- Biological variation --- Biology --- Heredity --- Genetics --- Mutation (Biology) --- Darwinism --- Selection, Natural --- Biological invasions --- Evolution (Biology)
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Benign & Pathological Chromosomal Imbalances systematically clarifies the disease implications of cytogenetically visible copy number variants (CG-CNV) using cytogenetic assessment of heterochromatic or euchromatic DNA variants. While variants of several megabasepair can be present in the human genome without clinical consequence, visually distinguishing these benign areas from disease implications does not always occur to practitioners accustomed to costly molecular profiling methods such as FISH, aCGH, and NGS. As technology-driven approaches like FISH and aCGH have yet to
Genetics --- Genetics. --- Variation (Biology) --- Biological variation --- Biology --- Heredity --- Mutation (Biology) --- Embryology --- Mendel's law --- Adaptation (Biology) --- Breeding --- Chromosomes
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