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Köp båda 2 för 644 krThe present volume constitutes the proceedings of the~ymposium: "Measur- ing Selection in Natural Populations", held in memory of late professor Ove Frydenberg. The Symposium took place in Sandbjerg Manor House in Southern Jutland May 10...
"This very well-written book is challenging, but rewarding. Motivated readers will understand the dynamic nature of genetic variation in populations."--Richard M. Kijman, Quarterly Review of Biology "I applaud the primary goal of this book, that is, to present basic genetic and population genetic concepts to future researchers in genomics and bioinformatics. I think that understanding the core evolutionary framework is essential for successful analysis and interpretation of contemporary genetic data."--Phil Hedrick, Journal of Heredity
Freddy Bugge Christiansen is professor of population biology at the University of Aarhus in Denmark. He is the author of Population Genetics of Multiple Loci and coauthor of Theories of Populations in Biological Communities and Population Genetics.
Preface and Acknowledgments ix Introduction 1 Part I: Genetic Variation 5 Chapter 1: Genetics 7 1.1 Genetic Variation 9 1.1.1 Gene structure and function 13 1.1.2 Molecular genetic variation 17 Chapter 2: Conservation of Variation 21 2.1 Stochastic Fluctuations 23 2.2 Wright-Fisher Process 26 2.2.1 Multiple alleles 30 2.3 Gene Identity in a Finite Population 31 2.4 Coalescence of Genes 33 2.5 Characteristic Time Unit 41 2.6 Diffusion Approximation 42 2.6.1 The Wright-Fisher model 43 2.6.2 The coalescent 46 2.6.3 The 1-coalescent 49 2.7 Moran's Model 50 Chapter 3: Diploid Populations 53 3.1 Random Mating 54 3.1.1 Mating of individuals 58 3.1.2 Random mating and selfing 59 3.2 Effective Population Size 62 3.2.1 Lose variation or gain identity 64 3.2.2 An exponentially growing population 64 3.2.3 Overlapping generations 68 3.3 Genotypic Frequencies 69 Chapter 4: Mutation and Variation 71 4.1 Mutation 72 4.1.1 Induced mutation 74 4.1.2 Somatic mutation 75 4.1.3 Effects of mutations 76 4.2 The Two-Allele Model 77 4.2.1 Distribution of the gene frequency 80 4.3 Genealogy and Variation 84 4.3.1 Alcohol dehydrogenase in Drosophila 86 4.4 Mutation and Coalescence 87 4.4.1 The appearance of a sample 91 4.4.2 Gene identity and mutation 93 4.5 The Infinite Alleles Model 95 4.5.1 Heterozygosity in the infinite alleles model 99 4.6 The Infinite Sites Model 100 4.7 Age of an Allele 104 4.8 Numerical Simulations 105 Chapter 5: Migration 108 5.1 Population Genetics of Migration 109 5.1.1 Genealogy in a structured population 112 5.1.2 The final waiting time 115 5.2 Population Structure 118 5.2.1 The simple two-island model 121 5.2.2 Coalescence in a widespread population 124 5.2.3 Strong migration 128 5.2.4 The stepping-stone model 129 5.3 Genotypic Proportions 133 5.3.1 Description of population structure 135 Chapter 6: Linkage 139 6.1 The Karyotype 141 6.1.1 Sex linkage 143 6.1.2 Linkage map 144 6.2 Population Genetics of Linkage 148 6.3 Linkage Equilibrium 150 6.3.1 The forward equations 155 6.3.2 Population mixing 156 6.3.3 Recurrent mixing and migration 157 6.3.4 Stochastic effects 159 6.3.5 Backcrosses 160 6.4 The Ancestral Recombination Graph 161 6.4.1 Genealogy and recombination 167 6.4.2 The mechanism of recombination 171 6.4.3 Gene conversion 173 6.4.4 The APOE risk factor in Alzheimer's disease 174 6.5 Recombination and Physical Distance 177 Chapter 7: Phenotypic Variation 181 7.1 Quantitative Inheritance 185 7.1.1 Conservation of variation 186 7.1.2 Random genetic drift 187 7.2 Kin Resemblance 188 7.2.1 The additive model 190 7.2.2 Parent-offspring covariance 191 7.2.3 Covariance between sibs 194 7.3 Inference on the Genotypic Variance 195 7.3.1 Comparison of populations 199 7.3.2 Random genetic drift 201 7.3.3 Applications of quantitative genetics 202 7.4 Mapping of Quantitative Trait Loci 202 7.4.1 Diallel crosses 204 7.4.2 Inference 207 Part II: Variation and Selection 213 Chapter 8: Effects of Selection 216 8.1 Selection Components 219 8.2 Viability Selection 222 8.2.1 Viability selection in Zoarces 233 8.3 Selection on a Quantitative Character 234 8.3.1 Genetic effects of selection 236 8.3.2 Fitness maximization 241 8.3.3 An experiment on growth rate in Mus 243 8.4 Mutation and Selection 245 8.4.1 Mutation, selection, and variation 248 8.5 Stability of an Equilibrium 248 8.6 The Coalescent and Selection 255 8.6.1 Microcephalin alleles in humans 259 8.6.2 Adh alleles in Drosophila 260 Chapter 9: Genomic Effects of Selection 264 9.1 Multilocus Selection 268 9.1.1 Selection on one of the loci 271 9.1.2 Tight linkage 272 9.1.3 Loose linkage and weak selection 275 9.1.4 Intermediate linkage 277 9.2 Selection Experiments in Drosophila 279 9.2.1 An experiment using the ebony allele 281 9.2.2 An experiment using white alleles 283 9.3 Hitchhiking 285 9.3.1 An experiment on