LeVay’s discovery of the INAH-3 nucleus in the brain that is larger in heterosexual men than in homosexual men definitively proves that sexual orientation is a. A result of hormones. b. Biologically determined. c. A result of socialization. d. None of the above.

The best answer would be - option B. Biologically determined

Explanation:

Levay a neuroscientist who made discovery on the base of his research on INAH-3 nucleus in the brain in different sexual oriented people and found that  homosexual men has smaller than the heterosexual men. It suggests that sexual orientation is due to the influence of biological factors could be gene or hormones but not a life style or environmental choice.

It should be not considered as there is a gene that cahnges men sexual prefrence from women to men or but it nfluence hormon during featl developement which might cause change in prefrence.