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The Percentage of Identical (Monozygotic)twins in Which Both Twins Are

Question 13

Multiple Choice

The percentage of identical (monozygotic) twins in which both twins are homosexual is 50 percent.This means


A) homosexuality is determined by genetics.
B) genes are only one influence for sexual orientation.
C) family relationships determines sexual orientation.
D) genes are not an influence for sexual orientation.

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