W31/L8

Question 1

Which cells produce testosterone?

Answer 1

Leydig cells

Question 2

At the end of mitosis, developing sperms are called:

Answer 2

Spermatogonia

Question 3

How many chromosomes do the gametes contain?

Answer 3

23

Question 4

When does spermatogenesis begin?

Answer 4

At puberty

Question 5

Mitotic proliferation of the spermatogonium produces what?

Answer 5

More spermatagonia

Question 6

What do the spermatogonia that hang out on the edge of the seminiferous tubule do?

Answer 6

Continue replicating in mitosis to maintain the germ line

Question 7

One 1” spermatocytes gives us how many sperm?

Answer 7

4

Question 8

After the 1st meiotic division, we have a _______ in females:

Answer 8

Secondary oocyte & a polar body

Question 9

A baby girl is born with all the _____ she’s ever have:

Answer 9

Primary oocytes

Question 10

What is the cell type that is ovulated?

Answer 10

The 2” oocyte

Question 11

When does the 2nd meiotic division of the oocyte occur?

Answer 11

Only after fertilization

Question 12

From where is GnRH released?

Answer 12

Hypothalamus

Question 13

What does GnRH stand for?

Answer 13

Gonadotropin releasing hormone

Question 14

How does GnRH get to its site of action?

Answer 14

The hypothalamic-hypophyseal portal system

Question 15

What is the site of action of GnRH?

Answer 15

Anterior pituitary

Question 16

In males, LH influences:

Answer 16

Testosterone production

Question 17

In males, the primary target of FSH are the ___ cells.

Answer 17

Sertoli cells