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

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The question is asking about the research on cases where parents were wrong about whether their twins were identical or fraternal. This research aims to address the equal environments assumption, which is the assumption made in twin studies that identical and fraternal twins have equally similar environments. By studying cases where parents were wrong about twin zygosity, researchers can understand how differences in environments can affect the development of twins and adjust their research methods accordingly.

Researchers Have Studied Cases Where Parents Were Wrong About Whether