Adoption studies comparing the intelligence of adopted children to their ______ provides support for the role of genetic factors in intelligence.
A)biological parents
B)adoptive parents
C)adopted siblings
D)adopted twins

Question

Quizplus · Accepted Answer

Adoption studies often compare the intelligence of adopted children to their biological parents to understand the influence of genetics on intelligence. These studies typically find that the intelligence of adopted children is more similar to their biological parents than to their adoptive parents, suggesting a significant genetic component to intelligence.

Adoption Studies Comparing the Intelligence of Adopted Children to Their