By studying identical twins raised in separate families, it's possible to examine their differences in behavior and then attribute those differences or similarities to genetics or environment.

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Identical twins share the same genetic makeup, so studying them when they are raised in separate environments allows researchers to disentangle the effects of genetics and environment on their behavior. Differences can highlight the role of environment, while similarities may suggest a genetic basis.

By Studying Identical Twins Raised in Separate Families, It's Possible