Twin studies of eating disorders have shown
A)environmental factors to be of greater influence than genetic factors
B)higher concordance amongst monozygotic (MZ)twins compared to dizygotic (DZ)twins
C)that genes do not affect personality characteristics associated with eating disorders
D)all of the above

Question

Quizplus · Accepted Answer

Twin studies have consistently shown higher concordance among MZ twins compared to DZ twins, indicating a significant genetic component in the development of eating disorders. Environmental factors may also play a role, but genetics have been found to be a strong contributing factor. The relationship between genes and personality characteristics associated with eating disorders is still an area of research and debate.

Twin Studies of Eating Disorders Have Shown