In studies of monozygotic twins separated at birth and adopted into different environments,there are:
A) no similarities
B) only physical similarities
C) only broad personality trait similarities
D) sometimes a surprising number of similarities with regard to idiosyncratic behaviors

Question

Quizplus · Accepted Answer

Studies have shown that monozygotic twins separated at birth and adopted into different environments often display surprising similarities in their idiosyncratic behaviors, indicating that genetics play a large role in shaping certain aspects of behavior. While there may not be similarities in all aspects of behavior or personality, the presence of similarities in some areas suggests that genetics may be a significant factor.

In Studies of Monozygotic Twins Separated at Birth and Adopted