Graafian follicle are characteristically found in the
Thyroid of mammal
Ovary of frog
Testis of mammal
Ovary of mammal
Meiotic division during oogenesis is different from that in spermatogenesis. Explain how and why ?
In mammals growing oocytes are surrounded by special nutritive cells called
Sperms formed from $4$ primary spermatocytes are
The first meiotic division in the oogonium is completed when the egg is within the
The process by which ova are formed is knwon as