Fraternal twins reared together have less similar intelligence test scores than do:
A)identical twins reared apart.
B)biological siblings reared together.
C)parents and their biological children living together.
D)adopted children reared together.

Question

Quizplus · Accepted Answer

Identical twins reared apart have been found to have more similar intelligence test scores than fraternal twins reared together. This indicates that genetic factors play a larger role in determining intelligence than environmental factors such as being raised together.

Fraternal Twins Reared Together Have Less Similar Intelligence Test Scores