Oogenesis Flashcards
What is oogenesis?
The production of ovum
What structure begins the process of oogenesis?
1 oogonium
Thru growth and maturation 1 oogonium develops into a _____.
primary oocyte
Oogonium are haploid/diploid?
diploid
Primary oocytes are haploid/diploid?
diploid
During what stage does a primary oocyte divide into a secondary oocyte and first polar body?
Meiosis 1
A primary oocyte divides into what?
A secondary oocyte and first polar body
The division of a primary oocyte is an example of ____ and ____ division.
reductive and asymmetrical
The secondary oocyte will continue to divide into what?
An ootid and second polar body
The division of the secondary oocyte in the ootid and second polar body is an example of ____ division.
conservative
The first polar body will continue to divide into what?
2 second polar bodies
What happens to all 3 polar bodies?
They end up dying
All polar bodies are haploid/diploid
haploid
Secondary oocytes are haploid/diploid
haploid
An ootid will continue to divide into a what?
ovum