Chapter 13

Question 1

In the absence of Sry protein, the

Answer 1

cortex of a primordial gonad develops into an ovary

Question 2

The male and female external gonads develop from the

Answer 2

same bipotential precursor

Question 3

Generally speaking, feminization of the body at puberty

Answer 3

is stimulated by a high ratio of estrogens to androgens

Question 4

Researchers believe that the - controls the most complex aspects of human sexual behavior

Answer 4

cortex

Question 5

Genetic males with androgenic insensitivity syndrome have

Answer 5

shallow vaginas, little pubic hair, internalized testes, and breasts

Question 6

The three main classes of gonadal steroid hormones are

Answer 6

progestins, estrogens, and androgens

Question 7

A normal genetic female who receives injections of testosterone throughout fetal development will be born with

Answer 7

male external reproductive organs, male internal reproductive ducts, ovaries, and undeveloped female reproductive ducts

Question 8

During the third month of male fetal development, the testes secrete substantial amounts of testosterone and

Answer 8

Mullerian-inhibiting substance

Question 9

Although the pituitary is often referred to as the master gland, strictly speaking the master gland is the

Answer 9

anterior pituitary

Question 10

The aromatization hypothesis is that

Answer 10

estradiol created in the brain of developing males from the testosterone masculinizes their brains

Question 11

John Money’s famous case study of ablatio penis was initially used to argue that

Answer 11

social learning dominates genes when it comes to gender identity

Question 12

There is evidence that the hormone that influences sexual motivation in women is

Answer 12

testosterone

Question 13

Follicle stimulating hormone and luteinizing hormone are both

Answer 13

gonadotrophins

Question 14

Most hormones fit into one of three categories:

Answer 14

amino acid derivatives, peptides and proteins, or steroids