They always act together. The lack of a sociability gene means boys have to be taught how to behave. They re, therefore, more open to influence by a dominant personality. That, say the scientists, makes them better material for teens, or, indeed, armies. Perhaps that s why the gene evolved this way.
Unsociable men make better soldiers.
Charlayne Hunter-Gault takes the story from there. To tell us more about genetics, environment, and human behavior we re joined by two specialists in this field. Dr. Fred Gilbert is the co-director of the division of human genetics at Cornell Medical College at New York Hospital. He s also a clinical geneticist. And Kathy Katz is a pediatric psychologist at Georgetown University Medical Center.