Multiple Choice
The identical twin of a gay man has a 50% chance of being gay,but the fraternal twin of a gay man has only a 15% chance of being gay.This phenomenon suggests that:
A) genetic factors completely determine sexual orientation in men.
B) environmental factors completely determine sexual orientation in men.
C) genetic factors play a minor role in influencing sexual orientation in men.
D) genetic factors play a large role in influencing sexual orientation in men.
Correct Answer:

Verified
Correct Answer:
Verified
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