Although brothers Jono and Roman bear a striking physical resemblance to each other,they differ greatly in intelligence and personality.One reason for this difference may be

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Quizplus · Accepted Answer

Nonshared environmental effects refer to the different experiences and environments that siblings may encounter despite growing up in the same household. This can include different teachers, peer groups, or life events that may have influenced each brother differently, potentially contributing to differences in personality and intelligence despite their genetic similarities.

Although Brothers Jono and Roman Bear a Striking Physical Resemblance