devleopment Flashcards
1
Q
up to what stage of oogenesis( primary oocytes) do cell divide in utero
A
prophase I held for many years
every menstrual cycle a few primary oocytes re enter the cycle and continue to develop to become secondary oocytes then held until fertilisation
2
Q
at what stage of meosis are secondary oocytes held until fertilisation
A
Metaphase II