The first meiotic division in the oogonium is completed when the egg is within the

The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is

Germ cells in mammalian gonads are produced by

What are the diploid cells in gametogenesis ?

Secondary oocyte is ..........

Which type of cell division forms spermatids from the secondary spermatocytes ?