If a child was adopted as an infant and never had contact with her or his biological parents, the child would likely develop an IQ that __________
A) more closely resembled the adoptive parents' IQ.
B) more closely resembled the IQ of the biological siblings in the adoptive family.
C) more closely resembled the biological parents' IQ.
D) falls somewhere between that of the biological and adoptive parents.

Question

Quizplus · Accepted Answer

Research in genetics and psychology suggests that IQ has a significant hereditary component. Therefore, an adopted child's IQ is more likely to resemble that of their biological parents, even if the child has never had contact with them. This is because IQ is influenced by genetic factors passed from parents to their offspring.

If a Child Was Adopted as an Infant and Never