twin method

What Do Twin Studies Tell Us About Personality?

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What Do Twin Studies Tell Us About Personality? Modern twin studies have concluded that almost all traits are in part influenced by genetic differences, with some characteristics showing a stronger influence (e.g. height), others an intermediate level (e.g. personality traits) and some more complex heritabilities, with evidence for different genes affecting … Why are twin

What Have We Learned From Twin Studies?

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What Have We Learned From Twin Studies? Through studying twin pairs we identified the first gene that influences both mammographic density (the amount of white areas on a mammogram) and risk of breast cancer, called LSP1. His team found monozygotic (identical) twins were highly similar for mammographic density, which predicts future risk of breast cancer.