Final answer:
The correct order of cell formation during spermatogenesis is: Spermatogonia, Primary spermatocytes, Secondary spermatocytes, Spermatids, Formed sperm.
Step-by-step explanation:
The correct order of cell formation during spermatogenesis is as follows:
- Spermatogonia, which are the least mature cells and the stem cells of the testis.
- Primary spermatocytes, which are produced through the division of spermatogonia.
- Secondary spermatocytes, which are formed through meiosis I of primary spermatocytes.
- Spermatids, which are produced through meiosis II of secondary spermatocytes.
- Formed sperm, which are the final cells produced during spermatogenesis.
Therefore, the correct order from earliest to latest is:
1. Spermatogonia
2. Primary spermatocytes
3. Secondary spermatocytes
4. Spermatids
5. Formed sperm