chapter 17: sex and the brain

Question 1

Gonadal intersexuality (hermaphroditism)

Answer 1

Gonads: both ovarian and testicular tissue
majority are infertile
external genitalia variable
female structures usually predominate
most identify as women

Question 2

Kleinfelter’s Syndrome

Answer 2

XXY male (intersexuality)
tall, small testes, gynecomastia
feminine body contours
sparse body hair
low testosterone levels
language skills impaired

Question 3

Turner’s Syndrome

Answer 3

XO female
short, barrel chest
neck webbing
no ovaries- no gonadal hormones
infertile
no testosterone
problems with visual/spatial tasks

Question 4

Androgen Insensitivity

Answer 4

XY male
defective androgen receptor gene
shallow vagina, undescended testes
no male or female internal genitalia 
infertile
taller than most women
most identify as women

Question 5

Congenital Adrenal Hyperplasia (CAH)

Answer 5

XX female
overgrown adrenal glands > high amounts of androgens
enlarged clitoris, fused labia, more masculine behavior
infertile if untreated
hyperplasia of adrenal corted