Studies of adopted children generally find a closer relationship between the IQs of children and their
A) adoptive siblings.
B) adoptive parents.
C) classmates in school.
D) biological parents.

Question

Quizplus · Accepted Answer

Studies of adopted children find a closer relationship between the IQs of children and their biological parents rather than their adoptive siblings or parents. This suggests that genetics play a significant role in determining a child's IQ.

Studies of Adopted Children Generally Find a Closer Relationship Between