Which of the Following Has NOT Been Proposed as a Biological

Multiple Choice

Which of the following has NOT been proposed as a biological explanation of transsexualism?

A) atypical development of some of the brain structures during prenatal development
B) a failure of either defeminization or masculinization during prenatal development
C) differences in the genes that create androgen and estrogen receptors
D) abnormal development of the sex-hormone producing structures