New edition of a formerly out-of-print work published in 1984 when the author's name was Felissa Cohen. It emphasizes the importance of understanding genetics in nursing, and maintains that health professionals still are not fully educated in this field. Covers such topics as major genetic disorders, genetic testing, the vulnerable fetus, prenatal detection, genetics and common diseases, twins, the immune system, mental retardation, aging, cancer, diabetes, mental illness, and heart disease. Annotation c. by Book News, Inc., Portland, Or.