Introduction to quantitative genetics
The lastest edition of this classic text continues to provide the basis for understanding the genetic principles behind quantitative differences in phenotypes and how they apply to animal and plant improvement and evolution. It extends these concepts to the segregation of genes that cause genetic variation in quantitative traits. Key techniques and methods are also covered.
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CHANGES OF GENE FREQUENCY
I Changes of gene frequency under
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additive variance alleles artificial selection average effect base population breeding value bristle number cause cent change of gene chapter coancestry coefficient of inbreeding combining ability components of variance covariance crosses dispersive process dominance deviation dominance variance Drosophila melanogaster effective number environmental variance equal equation equilibrium example expressed family means family selection fitness fixation full-sib families gametes gene frequency genetic correlation genetic properties genetic variance genotype frequencies given graphs Hardy-Weinberg equilibrium heritability heterosis heterozygotes homozygotes idealised population inbred lines inbreeding coefficient inbreeding depression increase individual selection intensity of selection litters mean genotypic value mean value measured methods metric characters mice mid-parent values mutation rate natural selection non-additive number of individuals observed overdominance parents phenotypic value phenotypic variance pleiotropy population mean progeny random drift rate of inbreeding recessive refer resemblance between relatives response to selection Robertson scale selection differential sibs standard deviation Table threshold tion variation weight zygotes