Repro 1

Question 1

dimorphic

Answer 1

males and females have distinct physical characteristics

Question 2

Sex organs consists of which 3 sets of structures?

Answer 2

• gonads
• internal genitalia
• external genitalia

Question 3

gonads

Answer 3

gamete producing organs (ovaries, testes)

Question 4

internal genitalia

Answer 4

accessory glands and ducts

Question 5

external genitalia

Answer 5

external reproductive structures

Question 6

Klinefelter’s

Answer 6

genetically male, w/ female characteristics (XXY)

Question 7

Turner Syndrome

Answer 7

genetically female, w/ male characteristics (X)

Question 8

In females, after development of ovaries, one X chromosome….

Answer 8

is turned off in each cell

Question 9

bipotential stage

Answer 9

prior to around the seventh week of development, when reproductive structures have not begun to differentiate

Question 10

If female, the gonad (cortex)…

Answer 10

forms ovary

Question 11

If male, the gonad (cortex)…

Answer 11

regresses

Question 12

If female, the gonad (medulla)…

Answer 12

regresses

Question 13

If male, the gonad (medulla)

Answer 13

forms testis

Question 14

If female, the Wolffian duct…

Answer 14

regresses (testosterone absent)

Question 15

If male, the Wolffian duct…

Answer 15

forms epididymis, vas deferent, and seminal vesicle (testosterone present)

Question 16

If female, the Mullerian duct…

Answer 16

becomes fallopian tube, uterus, cervix, and upper half of vagina (AMH absent)

Question 17

If male, the Mullerian duct….

Answer 17

regresses (AMH present)

Question 18

SRY gene

Answer 18

sex determining region of the Y chromosome; produces testis determining factor which guide development of gondola medulla into a testis

Question 19

Testes produces what 3 hormones that influence development?

Answer 19

anti-mullerian hormone, testosterone, and dihydrotestosterone

Question 20

anti-mullerian hormone

Answer 20

sertoli cells; causes mullein ducts to regress

Question 21

testosterone

Answer 21

leydig cells; converts wolffian ducts into male accessory structures

Question 22

dihydrotestosterone

Answer 22

leydig cells, differentiation of external genitalia

Question 23

If female, genital tubercle…

Answer 23

forms clitoris

Question 24

If male, genital tubercle forms…

Answer 24

glans penis

Question 25

If female, urethral folds and grooves form…

Answer 25

labia minora, opening of vagina, and urethra

Question 26

If male, urethral folds and grooves form…

Answer 26

shaft of penis

Question 27

If female, labioscrotal swellings form..

Answer 27

labia majora

Question 28

If male, labioscrotal swellings form..

Answer 28

shaft of penis and scrotum

Question 29

External genitalia development driven by…

Answer 29

presence or absence of androgens (DHT)