Which Statement Concerning Ethnicity and Intelligence Is Most Accurate

Multiple Choice

Which statement concerning ethnicity and intelligence is most accurate?

A) ​The recent discovery of a "smart gene" has led most to believe that intelligence has a strong genetic component.
B) Even if ethnic groups differ significantly in intelligence, the difference could be the result of environmental factors. ​
C) Being economically disadvantaged is related to ethnicity but not to intelligence. ​
D) If intelligence differences within an ethnic group are due to genetics, then intelligence differences between the group and other ethnic groups must be due to genetics. ​