目次

GENETIC EQUILIBRIUM AND RANDOM MATING. Genetic Network: The Castle–Hardy Weinberg Conditions––One Pair of Alleles Without Dominance. Utility of the Genetic Equilibrium Square Law. Multiple Alleles and Genetic Polymorphism. Sex Linkage. Two Loci, Independent or Linked. Polygenes and Continuous Variation. Estimating Polygenes. NONRANDOM MATING: CONSEQUENCES FOR THE GENOTYPE. Inbreeding, Extreme and Simple: Selfing. Inbreeding, Less Extreme: Sibs and More Distant Relatives; Consequences for Phenotypes. General Trends Under Inbreeding. Phenotypic Assortative Mating. FORCES CHANGING GENE FREQUENCIES. Random Genic Changes in Populations of Limited Size. Mutation: Source of New Variation. Natural Selection: Directed Gene Change Within Populations. Darwinian Fitness of Genotypes. Extensions of Selection Principles: Variable Fitness. Extensions of Selection Principles: Genetic Systems. Genetic Polymorphism: A Load or Not a Load?. Neutral or Adaptive?. Integration and Separation of Gene Pools. Appendices. Bibliography. Author Index. Subject Index.