What did a study of 500 pairs of MZ and DZ twins done in Kentucky find, in terms of intelligence?
A) The correlations between MZ twins and the correlations between DZ twins were similar.
B) The correlations between DZ twins were about the same as those between other siblings.
C) MZ twins were generally smarter than DZ twins.
D) DZ twins were generally smarter than MZ twins.
Correct Answer:
Verified
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