Twin studies suggest that as much as ______ of the variance in both anorexia nervosa and bulimia can be accounted for by genetics.

Name: Twin studies suggest that as much as ______ of the variance in both anorexia nervosa and bulimia can be accounted for by genetics.
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Twin studies suggest that as much as 50-80% of the variance in both anorexia nervosa and bulimia can be accounted for by genetics. The most commonly cited estimate is around 60-80%, so the best choice is C, 80%.

Twin Studies Suggest That as Much as ______ of the Variance