Bailey and his associates found that the concordance rate for homosexuality was greater among identical twins (52%) than among fraternal twins (22%) . From these data, we can conclude that
A) homosexuality is a genetically-influenced attribute
B) homosexuality is genetically determined
C) environment plays little part in determining homosexuality
D) homosexuality is genetically determined and environment plays little part in determining homosexuality
E) none of these
Correct Answer:
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