Twin studies most clearly indicate that ________ help(s)to explain the development of our unique personality traits.

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Twin studies have shown that identical twins, who have nearly identical genetics, still have distinct personality traits. This suggests that person-to-person genetic variations, rather than prenatal genetic testing, epigenetic marks or critical periods, play a role in the development of our unique personality traits.

Twin Studies Most Clearly Indicate That ________ Help(s)to Explain the Development