
Contents
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10.1 Introduction 10.1 Introduction
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10.2 Interspecific genetic differences 10.2 Interspecific genetic differences
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10.3 Genetic mapping 10.3 Genetic mapping
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10.4 Genetic variation in natural populations 10.4 Genetic variation in natural populations
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10.4.1 Heritability and genetic variance 10.4.1 Heritability and genetic variance
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10.4.2 Responses to selection 10.4.2 Responses to selection
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10.4.3 Genetic covariance 10.4.3 Genetic covariance
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10.5 The genetic architecture of mating preferences 10.5 The genetic architecture of mating preferences
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10.5.1 Distribution of allelic effects underlying preference phenotypes 10.5.1 Distribution of allelic effects underlying preference phenotypes
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10.5.2 Sex linkage 10.5.2 Sex linkage
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10.5.3 Dominance and epistasis 10.5.3 Dominance and epistasis
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10.6 Functional characterization of preference genes 10.6 Functional characterization of preference genes
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10.7 Synthesis 10.7 Synthesis
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10.8 Additional reading 10.8 Additional reading
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Cite
Abstract
This chapter reviews the main approaches for characterizing preference genetics. Approaches to understanding the genetics underlying preferences (or any other phenotype) take two broad forms. The first approach consists of attempts to identify particular genes or genomic regions associated with preference variation; for preferences, this is typically done using so-called forward genetics, whereby variation in phenotype is correlated with variation in genotype. Alternatively, the effects of candidate genes on preference can be characterized using reverse genetics, whereby gene structure or function is altered to test its effect on phenotype. The second approach encompasses quantitative genetic studies that assume that the underlying genetic variation is continuous and additive. Quantitative genetic models often assume an infinite number of loci each contributing infinitely small positive or negative effect, summing to determine trait value.
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