Oogenesis (2) and Ovulation

Question 1

Name the cells involved in oogenesis in order from the primordial germ cells to the ovum.

Answer 1

Primordial germ cells —> oogonia —> 1 oocytes —> 2 oocytes + polar body —> ovum + polar body

Question 2

Primordial cells undergo __________ to produce ____________

Answer 2

Primordial cells undergo mitosis to produce oogonia

Question 3

What ploidy are oogonia?

Answer 3

Diploid

Question 4

Oogonia undergo __________ to produce ____________

Answer 4

Oogonia undergo mitosis to produce 1 oocytes

Question 5

1 oocytes undergo __________ to produce ____________

Answer 5

Mieosis I to produce 2 oocytes + polar bodies

Question 6

2 oocytes undergo ___________ to produce ___________

Answer 6

Mieosis II to produce mature ovum (ootids) + polar body

Question 7

During meiosis I the 1 oocytes arrest in what phase?

Answer 7

Prophase I

Question 8

During the arrest of the 1 oocytes in prophase I, what cells surround the 1 oocyte and for what purpose?

Answer 8

Granulosa cells to form a primordial follicle