A human female is born with a million of eggs (primary oocyte) at the time of birth but only some `500` eggs get a chance of maturiy. What is the destiny of rest of the eggs?

In human female, the fertilized eggs gets implanted in uterus

In human female, the fertilized egg gets implanted in uterus…

In human female, the fertilized egg gets implanted in uterus……………….

During Oogenesis,in human female, a primary oocyte produces four haploid cells. Out of these four haploid cells, only one is used in reproduction. Then What is the significance if this type of meiotic division during oogenesis?

During Oogenesis,in human female, a primary oocyte produces four haploid cells. Out of these four haploid cells, only one is used in reproduction. Then What is the fate of the haploid cells used in reproduction?

During oogenesis in human female, a primary oocyte produces four haploid cells. Out of these four haploid cells, only one is used in reproduction. Then, a. what is the fate of the haploid cell used in reproduction? b. What happens to the other three haploid cells? c. What is the significance of this type of meiotic division during oogenesis?

Why do fish and frog lay more number of eggs whereas cow and human beings usually give birth to only one at a time?