Go through the following statements:-  (i). Primary spermatocytes undergo mitotic divisions to
Channel: Doubtnut
Date: 2020-04-26

Go through the following statements:-  (i). Primary spermatocytes undergo mitotic divisions to produce secondary spermatocytes  (ii). Sperms released from the seminiferous tubules are fuly mature and motile  (iii) The head of sperm possesses may mitochondria which produce energy for the movement of tail  (iv) The human male ejaculates about 20-30 million sperms during a cuitus   which of these are correct?