Provides a readable and understandable review of the basic principles of medical genetics, including recent advances in molecular genetics and the clinical applications of this new knowledge for the diagnosis and management of genetic disorders. Now brought completely up to date, this edition has been extensively revised and includes new information on developmental defects, genetics of complex diseases, genetics of cancer, molecular and biochemical basis of genetics, and the human genome project. It also features an all-new set of 29 clinical cases with color photographs to assist students in relating basic genetics to clinical genetic disease.