Basic genetics; molecular biology; single-gene disorders; chromosomal aberrations; single genes in populations; familial disorders not due to a single gene; Is it inherited?; Immunogenetics; Pharmacogenetics; Hosts, parasites and pathogenes; genetics and environmental control of inherited disorders; single genes in animal breeding; relationship and inbreeding; quantitative variation; selection between populations; selection within populations; breed structure; crossing; selection and regular crossing; biotechnology and the future; books on particular species; Index