Researchers have studied cases where parents were wrong about whether their twins were identical or fraternal to address

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Studying cases where parents were wrong about whether their twins were identical or fraternal is a way to address the equal environments assumption. This assumption suggests that any differences observed between identical and fraternal twins in terms of their behavior or traits can be attributed to their genetics since they are raised under the same environment. However, if parents mistakenly identify their twins as identical when they are actually fraternal, it can lead to a situation where fraternal twins are assumed to be identical and the assumption of equal environments is violated. Studying these cases can help researchers understand how much of the observed differences between twins can be attributed to genetics versus environmental factors.

Researchers Have Studied Cases Where Parents Were Wrong About Whether