Final: Reproductive System Development

Question 1

SRY gene causes _____ cells to secrete _____ _____ _____.

Answer 1

Sertoli

Mullerian inhibitory factor

Question 2

Testosterone causes regression of the _____ ducts and retention of the _____ ducts.

Answer 2

Mullerian

Mesonephric

Question 3

T/F: Gonads develop prior to embryonic kidneys.

Answer 3

False, after the embryonic kidneys

Question 4

Sex cords give rise to seminiferous tubules, sertoli cells, & interstitial cells within the _____.

Answer 4

Medulla

Question 5

What anastomoses with the sex cords in males?

Answer 5

Rete cords

Question 6

What happens to the rete cords in the female?

Answer 6

Degenerate with rest of medulla

Question 7

What is the term for the retained mesonephric tubules in males?

Answer 7

Efferent ductules

Question 8

What gives rise to the testis (medulla/cortex)?

Answer 8

Medulla

Question 9

What gives rise to the ovary (medulla/cortex)?

Answer 9

Cortex

Question 10

What gives rise to the glans penis or clitoris?

Answer 10

Genital tubercle

Question 11

What either fuses to become the shaft of the penis or remains unfused to form the labia minora?

Answer 11

Genital folds

Question 12

What either fuses to form the scrotum or remains unfused to form the labia majora?

Answer 12

Genital swellings

Question 13

How does retinoic acid affect the formation of primordial germ cells?

Answer 13

Decrease in RA results in mitotic arrest and “male” formation.
Increase in RA results in beginning of meiosis and “female” formation.