(Q020) Leo carries a gene for aggression, but he has never b…
(Q020) Leo carries a gene for aggression, but he has never been violent. He was raised in a happy and peaceful household. Lydia, on the other hand, carries the same gene, but she has had several violent episodes in adolescence. She was raised in a physically abusive household. Which explanation best explains why Lydia has been violent but Leo has not?