How Many Ova Are Produced From One Primary Oocyte?

How Many Ova Are Produced From One Primary Oocyte? During oogenesis, one primary oocyte gives rise to four ova. How many ova are produced from a primary oocyte? During oogenesis, one primary oocyte gives rise to four ova. How many ova are produced from 50 primary oocyte? Fifty primary oocytes give rise to 50 eggs.