19. Which of the following is true regarding the determinants of sexual developm

Question

19. Which of the following is true regarding the determinants of sexual development:

a. the presence of the gene for HY antigen on the Y chromosome determines whether a testis develops from the gonadal ridge.

b. the presence of MIS determines whether the Wolffian ducts develop.

c. the presence of estrogen determines whether a vagina develops.

d. the presence of DHT determines whether a prostate develops.

20. People with androgen insensitivity syndrome show developmental abnormalities. Which of the following primary or secondary sexual characteristics is most likely to be seen in these individuals? The presence of:

a. a prostate

b. a private part

c. breast development at puberty

d. descended testes e. pubic and axillary hair

Explanation / Answer

19. a. the presence of the gene for HY antigen on the Y chromosome determines whether a testis develops from the gonadal ridge.

20. c. breast development at puberty.

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