While there have only been a few studies of the brain structures of same and different sex-orientation, the most promising and controversial by LeVay have found differences in the ___________ that may be correlated with sexual orientation.
a. cerebral cortex
b. hypothalamus
c. pineal gland
d. cingulate
Question 2
With regard to the concept of a gay gene, the textbook concludes that
a. there is strong evidence that a gene or small set of genes is responsible for a large percentage of the variance in the cause of same-sex sexual preference.
b. there is weak to moderate evidence that a gene or small set of genes is responsible for a large percentage of the variance in the cause of same-sex sexual preference.
c. any gene that is associated with sexual orientation will only confer a predisposition rather than definitively cause same-sex orientation.
d. there is currently no evidence to support the concept of genetic component to the cause of same sex orientation.
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