How Identical Twins Develop Different Personalities

D-brief
By Lisa Raffensperger
May 9, 2013 6:13 PMOct 24, 2019 7:31 PM
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twins

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Why are you who you are? At a simple level, biology says you’re a product of your genes and your environment—or, nature and nurture. But the explanation is trickier when you consider identical twins raised in the same home: they have the same genes, and grew up in the same environment, but, if you’ve ever met a pair you’d probably agree, they’re different people.

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