If genetics plays a strong role in the development of cocaine abuse, we would expect to find the lowest concordance rates for cocaine abuse among:
A) genetically unrelated pairs of people.
B) parents and their children.
C) identical twins.
D) siblings of the same gender.

Question

Quizplus · Accepted Answer

Genetically unrelated pairs of people would have the lowest concordance rates for cocaine abuse if genetics plays a strong role, as they share the least genetic similarity compared to parents and their children, identical twins, or siblings of the same gender.

If Genetics Plays a Strong Role in the Development of Cocaine