Evolutionary psychology uses DNA to explain behavior.

Offspring of criminal parents are more likely to become criminals than other children.

Which convicted criminal was believed to have supermale syndrome based upon his appearance?

Low levels of the MAOA gene has been linked to increased aggression.

Bonus: Which member of the West Memphis Three was sentenced to death?

MAOA is an enzyme involved with the breakdown of 

Which of the following convicted criminals is suspected of having the warrior gene because tests of their neurotransmitter levels were consistent with the warrior gene?

Crockett et al. (2008) gave participants a drink that temporarily reduced their serotonin levels and found that participants with low serotonin were more retaliatory during a game.

Studies from the 1960s and 1970s found that supermale syndrome is less common in prison populations.

In the Yanomamo Indians, a man is considered to be a  ______ after killing another person.

An infant child is more likely to be murdered by _________.