If a trait is influenced by genes, then dizygotic (DZ) twins should be more similar than monozygotic (MZ) twins.

Name: If a trait is influenced by genes, then dizygotic (DZ) twins should be more similar than monozygotic (MZ) twins.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This statement is false. Dizygotic (fraternal) twins share, on average, 50% of their genes, while monozygotic (identical) twins share 100% of their genes. Therefore, if a trait is influenced by genes, MZ twins would be expected to be more similar than DZ twins.

If a Trait Is Influenced by Genes, Then Dizygotic (DZ)