Question

When spermatogonia divide, ________ are formed. when spermatogonia divide, ________ are formed. functional sperm secondary spermatocytes spermatids primary spermatocytes?

Answer 1

Spermatogonia divide to produce primary spermatocytes, which later through meiotic divisions develop into secondary spermatocytes and eventually into mature sperm cells.

Step-by-step explanation:

When spermatogonia divide, primary spermatocytes are formed. Spermatogonia are the stem cells in the testes that undergo mitosis to produce two identical diploid cells, one of which continues as a spermatogonium and the other becomes a primary spermatocyte. The division of a primary spermatocyte through meiosis I results in the formation of two haploid secondary spermatocytes, which then undergo meiosis II to produce spermatids. These early spermatids undergo a series of changes during spermiogenesis to become mature sperm cells, which are then released into the lumen of the seminiferous tubules and eventually mature further in the epididymis.

Answer 2

The correct answer is primary spermatocytes.

The process of spermatozoa development from germ cells is called spermatogenesis and it occurs in the seminiferous tubules of the testis. The germ cells move towards the lumen as they mature. There are 4 phases of spermatogenesis:
1. Mitosis of spermatogonia-primary spermatocytes are produced
2. First meiosis - form the primary spermatocytes to the formation of secondary spermatocytes
3. Second meiosis-formation of the spermatids
4. Spermiogenesis-up to the completed sperm cells.