Answer: Option B
:
B
The spermatogonia divide mitotically, and some of them undergo two rounds of mitosis, each forming 4 primary spermatocytes, each of whichundergoes meiosis to produce 2 haploid secondary spermatocytes. Each secondary spermatocyte then undergoes mitosis to produce 2 spermatids, which eventually become 2 sperms. Each primary spermatocyte thus, produces 4 sperms. Hence 4 primary spermatocytes would produce 16 sperms.