Which type of twins can be helpful to researchers studying the contribution of genetics and environmental for behavior?

Question

Quizplus · Accepted Answer

Identical twins (A) share 100% of their genetic material, while fraternal twins (C) share approximately 50% of their genetic material, the same as any other siblings. By studying both sets of twins, researchers can compare the similarity of behavior between identical twins and fraternal twins to determine the role of genetics versus environmental factors. Therefore, the best choice is D, both A and C.

Which Type of Twins Can Be Helpful to Researchers Studying