At the end of first meiotic division, the male germ cells differentiate into
Spermatogonium
Primary spermatocyte
Secondary spermatocyte
Spermatid
Name the hormones involved in regulation of spermatogenesis.
What is oogenesis? Give a brief account of oogenesis.
Extrusion of second polar body from egg nucleus occurs
Meiotic division during oogenesis is different from that in spermatogenesis. Explain how and why ?
Sperms formed from $4$ primary spermatocytes are