A Large Adoption Study Discussed in Your Textbook Found That

A large adoption study discussed in your textbook found that anti-social behaviour in adopted males:

A) is strongly related to their same-sex siblings' behaviour
B) is more closely related to the anti-social behaviours of their adoptive fathers than their biological fathers
C) is more closely related to the anti-social behaviour of their biological fathers than their adoptive fathers
D) is related to cognitive and motivational factors and mostly unrelated to genetic factors