Evidence for a genetic basis for aggression is provided by
A) data indicating that membership in certain ethnic groups predicts aggression.
B) findings that men with the XYY genotype are more likely to be imprisoned.
C) higher rates of aggression among individuals with fragile-X syndrome.
D) the ability to breed strains of animals for aggressive tendencies.

Question

Quizplus · Accepted Answer

The ability to breed strains of animals for aggressive tendencies suggests that genetic factors play a significant role in aggression. This has been demonstrated through selective breeding in animals such as rats and mice, which have resulted in strains with differing levels of aggression. A, B, and C do not provide as direct evidence of a genetic basis for aggression.

Evidence for a Genetic Basis for Aggression Is Provided by