When identical twins who are raised apart, in separate adoptive homes, show the same susceptibility to a given psychological disorder, it indicates that:
A)environmental factors have more influence than genetic factors in the disorder
B)both genetics and environmental factors contribute equally to the disorder
C)genetic factors have more influence than environmental factors in the disorder
D)neither genetic factors nor environmental factors contribute to the disorder

Question

Quizplus · Accepted Answer

Identical twins have the same genetic makeup, and if they show the same susceptibility to a given psychological disorder even when raised in separate environments, it suggests that genetic factors have more influence on the disorder than environmental factors.

When Identical Twins Who Are Raised Apart, in Separate Adoptive