IQ scores for fraternal twins are more alike than those of ordinary siblings because
A)parents tend to treat twins alike.
B)they are genetically alike.
C)fraternal twins are always the same sex.
D)intelligence is 80 percent hereditary.

Question

Quizplus · Accepted Answer

Fraternal twins often experience similar environments and parental treatment, which can lead to more similar IQ scores compared to ordinary siblings.

IQ Scores for Fraternal Twins Are More Alike Than Those