Ⅰ THE NATURE OF THE GENE 1
Ⅱ THE CHROMOSOMES OF MAN 13
Ⅲ GENETIC RATIOS 32
Ⅳ SOME EFFECTS OF GENE INTERACTIONS 40
Ⅴ GENES IN POPULATIONS 45
Ⅵ BIOLOGICAL FITNESS 53
Ⅶ NATURAL SELECTION IN MAN 59
Ⅷ LINKAGE AND ASSOCIATION 70
Ⅸ HEREDITY AND THE GASTRO-INTESTINAL TRACT 89
Ⅹ INHERITANCE AND THE CARDIOVASCULAR SYSTEM 104
Ⅺ HEREDITY AND DISORDERS OF CONNECTIVE TISSUE 115
Ⅻ PROTECTIVE MECHANISMS IN Rh HAEMOLYTIC DISEASE 135
ⅩⅢ INBORN ERRORS OF METABOLISM 144
ⅩⅣ PHARMACOGENETICS 180
ⅩⅤ THE BIOLOGICAL EFFECTS OF IONIZING RADIATIONS 194
ⅩⅥ THE HEREDITY CLINIC 211
ⅩⅦ ELEMENTARY STATISTICS 230
GLOSSARY 267
AUTHOR INDEX 276
GENERAL INDEX 281