Approximately ____ percent of intellectual disability cases can be attributed to known biological abnormalities

During prenatal development, the testes of the male fetus begin secreting a class of

hormones called a. androgens. b. estrogens. c. progesterones. d. follicle-stimulating hormones. e. teratogens.

All of the following are stages in Sigmund Freud's psychoanalytic theory EXCEPT:

A) anal. B) genital. C) latency. D) sexual.