Which of the Following Facts Is True About the Interconnectedness

Multiple Choice

Which of the following facts is true about the interconnectedness of nature and nurture in intelligence?

A) Adopted children's overall intelligence is less similar to that of their biological parents than to that of their adoptive parents.
B) The more genetically related people are, the more similar they are in IQ, even if reared apart.
C) Fraternal twins reared apart are more similar in their levels of intelligence than identical twins reared together.
D) Compared to adopted children, orphans tend to have higher IQs.