The Fact That Identical Twins Have More Similar IQs Than

Multiple Choice

The fact that identical twins have more similar IQs than fraternal twins indicates that intelligence is strongly influenced by ___________, and the fact that twins raised together have more similar IQs than those raised apart ______________ also play an important role.

A) the environment; also shows that environmental factors
B) the environment; shows that genetics
C) genetics; shows that environmental factors
D) genetics; also shows that genetics