PART I: AN INTRODUCTION TO BEHAVIOR GENETICS.- Introducing Behavior Genetics: Origins and History.- The Basis of Genetics: DNA, RNA, Chromosomes, and Genes.- Neurogenetics and Neuropharmacology.- Methods of Genetic Discovery and the Human Genome Project.- PART II: HERITABILITY, ENVIRONMENTAL INFLUENCES, AND METHODS OF STUDY.- Simple Inheritance.- Inheritance of Complex Traits.- Genes and Environment.- Research Methods in Quantitative Genetics.- PART III: GENETIC INFLUENCES ON BEHAVIOR AND BEHAVIORAL DISORDERS.- Normal Behavioral Development.- Primary Cognitive Disorders.- Psychiatric Disorders with a Cognitive Component.- Disorders of Mood, Anxiety, and Personality.- PART IV: OTHER GENETIC INFLUENCES, COUNSELING, AND THE FUTURE.- Beyond Psychopathology: General Health Risks and Sex Chromosome Abnormalities.- Genetic Counseling, Applied Pharmacogenomics, and Gene Therapy.- The Future of Behavior Genetics.- Glossary.- Photo Credits.- References.- Index.