Dr. Michaels is conducting a study in which he wants to compare the frequency of alcoholism among identical twins with the frequency of alcoholism among fraternal twins. Dr. Michaels is probably studying _________

A) neuropsychology.
B) evolutionary psychology.
C) behavioral genetics.
D) the psychology of addiction.

Behavioral Genetics

studies the role of genetics and the environment in influencing behavior, examining how heredity interacts with experience to shape who we are.

Identical Twins

Siblings who are genetically identical to each other because they were conceived from the same egg and sperm, and hence share all of their genes.

Fraternal Twins

Twins who are born at the same time but developed from two different eggs fertilized by two different sperm, resulting in genetically distinct siblings.