genetic studies provide evidence for a genetic contribution to personality. The genetic factor is an estimate for how much the variation of a trait in a population may be due to gen.For example, the identical twins raised together are more similar than different egg twins raised together in the traits or positive feelings, or emotions, negative and restrictive. identical twins separated early in life and grow up, more on the similar characteristics with other egg twins raised together. Both of the results shows that the existence of a genetic component to the personality.
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