Your Friend's Mother Is Extremely Intelligent

Multiple Choice

Your friend's mother is extremely intelligent. As a result, even though he usually does OK in school (2.8 GPA) , he is convinced that he is a genius. What do you think?

A) Heritability estimates for intelligence are .50, so he is probably overestimating his intelligence.
B) He is definitely correct; he is likely a genius.
C) Actually, children of intellectually gifted adults are usually much lower in intelligence.
D) With a 2.8 GPA, he must be correct.