Letitia and Lara are identical twins who were raised together. As adults, they participate in a study and are asked to complete questionnaires that assess their personality. Research on genetics and personality suggests which of the following is most likely to occur?
A. Their responses will be significantly different.
B. Their responses will be 100% identical to one another.
C. There will be no overlap at all in their responses.
D. There will be many similarities in their responses.
Answer: D
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