The third edition of this successful text provides students, researchers and technicians in the area of medicine, genetics and cell biology with a concise, understandable introduction to the structure and behavior of human chromosomes. It covers both basic and up-to-date material on normal and defective chromosomes. The mapping and molecular analysis of chromosomes is one of the most exciting and active areas of modern biomedical research, and this book will be invaluable to scientists, students, technicians and physicians with an interest in the function and dysfunction of chromosomes. Reviews of previous editions have described this book as a "gem" and "an excellent text".