Twin studies have found that the similarity of identical twins raised apart is greater than the similarity of fraternal twins raised together.

Question

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Identical twins share 100% of their genes, while fraternal twins share about 50% of their genes, similar to regular siblings. Studies have shown that identical twins, even when raised in different environments, exhibit more similarities in various traits and behaviors than fraternal twins raised together, highlighting the strong influence of genetics over environment.

Twin Studies Have Found That the Similarity of Identical Twins