Science explains why siblings raised together still develop different personalities
Siblings who grow up in the same household often end up with markedly different personalities, and science now offers explanations for this phenomenon. Genetics play a significant role, shaping each child's temperament and core traits in distinct ways. Beyond genes, nonshared experiences and outside influences push siblings further apart in their personal development. The dynamics between siblings themselves, as well as birth order, also contribute to shaping who each child becomes. Together, these overlapping factors combine to produce unique individuals even within the same family.
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