Sex 1

Question 1

Male sex chromosome has these layouts:

Answer 1

XY, XXY, XYY

Question 2

Female sex chromosome has these layouts…

Answer 2

XX, XXX, XO (Turner’s syndrome)

Question 3

In ____, everything in ____ chromosomes are going to be expressed for better or worse.

Answer 3

Male; X

Question 4

Gonads

Answer 4

Testes and ovaries

Question 5

Steroids from the gonads

Answer 5

Testosterone, estrogen, progesterone

Question 6

Testosterone is an example of ____, and it only takes one step to become ____.

Answer 6

Androgen; estrogen

Question 7

Pituitary outputs two kinds of hormones:

Answer 7

Luteinizing hormone (LH) and follicle stimulating hormone (FSH)

Question 8

In males, LH stimulates ____ to produce ____ (with a negative feedback)

Answer 8

Testes; testosterone

Question 9

In males, ____ and testosterone stimulates testes to produce ____ (the hormone has a ____ feedback to ____ ____ to decrease its secretion.)

Answer 9

FSH; sperm; (negative; anterior pituitary)

Question 10

Testosterone levels are high in people who experience a sense of ____ (also works well when there’s ____)

Answer 10

Achievement; feedback

Question 11

Steroids are all produced from ____ (they’re not only bad for you!)

Answer 11

Cholestrol

Question 12

Hormone secretion order of the female cycle

Answer 12

FSH —> ovaries —> E-EE-EEE —> LH —> Ovulation/P

Question 13

High estrogen turns off ____, high progesterone turns off ____

Answer 13

FSH; LH

Question 14

During ____, there are no estrogen present, which means level of the hormone ____ is raised.

Answer 14

Menopause; FSH

Question 15

Arm insertion avoids pregnancy by…

Answer 15

Maintaining constant low level of LH to avoid ovulation

Question 16

The female cycle lasts about ____ weeks in humans

Answer 16

2 weeks

Question 17

More progesterone will lead to less secretion of ____ (which is automatically ON)

Answer 17

FSH

Question 18

Female behavioral signals of ovulation in rats are influenced by the surge of hormones ____ and ____, and includes:

Answer 18

Estrogen; Progesterone; Lordosis posture, darting, hopping

Question 19

During ovulation, female rats actively searches for ____, whom ____ females.

Answer 19

Male; follows

Question 20

In humans, there is a dissociation between ____ and ____, and we also doesn’t require high levels of ____ for sex.

Answer 20

Sex; fertility; sex

Question 21

In male rats, ____ is needed for both their sexual drive and sexual behavior, which includes:

Answer 21

Testosterone; Mounting, intromission, ejaculation

Question 22

____ cycle needs estrogen and progesterone, but there are no hormone requirements for ____ cycle (do give off ____ but not too concerned)

Answer 22

Estrous; menstrual; pheromone

Question 23

Rats only mate when the male know the female can ____ ____

Answer 23

Get pregnant

Question 24

In an embryo, a gonad starts out ____, then if there’s the ___ gene on the ____ chromosome, it will develop into ____; if not, it will develop into ____.

Answer 24

Neutral; SRY; Y; Testes; Ovaries

Question 25

The T surge in embryonic development peaks at the ____ trimester, then decreases to a lower level in the ____ trimester and ____ ____.

Answer 25

Second; third; after birth