Use the following to answer questions :
Refer to the table below.

-Based on the data in the graph, IQ scores are more similar in
A) MZ twins than in DZ twins.
B) siblings reared together than DZ twins reared together.
C) parent-adoptive offspring than parent-genetic offspring.
D) DZ twins than in MZ twins.

Question

Use the following to answer questions :
Refer to the table below.
 
-Based on the data in the graph, IQ scores are more similar in
A) MZ twins than in DZ twins. 
B) siblings reared together than DZ twins reared together. 
C) parent-adoptive offspring than parent-genetic offspring. 
D) DZ twins than in MZ twins.

Quizplus · Accepted Answer

The graph shows a higher correlation coefficient for IQ scores in MZ twins (0.86) compared to DZ twins (0.60), indicating that IQ scores are more similar in MZ twins. Therefore, option A is the correct choice.

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