Behavioural geneticists are finding that within a group of people, about ________ of the variation in happiness is attributable to genetic differences.

Name: Behavioural geneticists are finding that within a group of people, about ________ of the variation in happiness is attributable to genetic differences.
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Research in behavioral genetics suggests that approximately 50% of the variation in happiness among individuals within a group can be attributed to genetic differences.

Behavioural Geneticists Are Finding That Within a Group of People