oogenesis

Question 1

what is oogenesis

Answer 1

the production of an ovum

Question 2

process of oogenesis

Answer 2

oogonia
primary oocyte
secondary oocyte + first polar body (which may divide into the secondary polar body

Question 3

1. oogonia

Answer 3

2n

divides by mitosis to produce oocytes

OCCURS BEFORE BIRTH

Question 4

2. primary oocyte

Answer 4

2n

is surrounded by the primary follicle and begins the first phase of meiosis - PROPHASE

OCCURS BEFORE BIRTH

Question 5

3a) secondary oocyte

Answer 5

n

during puberty, the secondary meiotic division produces a secondary oocyte that receives most of the cytoplasm

the secondary oocyte then starts the 2nd stage of meiosis but stops at METAPHASE

Question 6

3b) first polar body

Answer 6

n

th smaller of the 2 daughter cells produced from the primary oocyte due to little cytoplasm

it may or may not divide to complete a second meiotic division

all polar bodies disintegrate

Question 7

4. ootid (egg in immature form)

Answer 7

n

released during ovulation w first polar body