Critical Reasoning (CR) | Until recently experts believed that environment, not genetics, largel

Until recently experts believed that environment, not genetics, largely determines human personality. A new study, however, has shown that there is more similarity in personality between identical twins raised together than between nonidentical twins raised together. The study concluded that genetics, therefore, does play an important role in determining personality.

Which of the following, if found to be true, would cast the most doubt on the study's conclusion?


(A) Identical twins raised separately
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