Some research has shown that identical twins raised apart are still more similar than fraternal twins raised together.

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Studies on identical twins (who share 100% of their genes) raised apart have shown that they often exhibit remarkable similarities in personality, preferences, and behavior, more so than fraternal twins (who share about 50% of their genes) raised together, highlighting the strong influence of genetics over environment in certain traits.

Some Research Has Shown That Identical Twins Raised Apart Are