When children who are reared by adoptive parents are nonetheless more similar to their natural parents in a trait, it can be concluded that:

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Quizplus · Accepted Answer

The fact that children who are reared by adoptive parents are more similar to their natural parents in a trait suggests that genetics play a role in the development of those characteristics. This is because the adoptive parents provide a different environment from the natural parents, so if the children still exhibit similarities with their natural parents, it suggests that genetics are a significant factor. It cannot be concluded that genetics are solely responsible, as the environment also plays a role in development, but genetics are clearly a factor.

When Children Who Are Reared by Adoptive Parents Are Nonetheless