Quiz 2

Question 1

Studies of the spinal nucleus of the bulbocavernosus suggest that one way in which hormones can influence sexual differentiation of the nervous system is through

Answer 1

Testosterone activating androgen receptors to prevent cell death

Question 2

The process of becoming male or female is called sexual

Answer 2

Differentiation

Question 3

What is the correct order in which sex determination occurs?

Answer 3

Chromosomal sex, gonadal sex, hormonal sex, morphological sex

Question 4

Masculinization and/or defeminization of mammals can occur via

Answer 4

Testosterone acting on the androgen receptor, adrenal androgens acting on the androgen receptor, estradiol acting on the estrogen receptor

Question 5

A genetic male rat that is castrated on day three of life will show which behavior in adulthood?

Answer 5

Lordosis behavior when given estradiol followed by progesterone

Question 6

Which of the following is not a component of the conservatory phase during rodent sexual behavior?

Answer 6

Hopping and darting

Question 7

The SDN-MPOA of rats is

Answer 7

Larger in males as the result of estrogens

Question 8

Alpha-fetoprotein binds and sequesters

Answer 8

Estrogens

Question 9

An XX individual with overactive adrenal glands

Answer 9

Will have masculinized/defeminized, external genitalia (be intersexed)

Question 10

An XY rat lacking aromatase will have

Answer 10

A brain that’s not completely masculinized
(Will have testes)
(Y chromosome, have SRY gene, gonads become testes)