| Spermatogenesis | Oogenesis |
| 1. Spermatogenesis takes place in testis in mature and fertile males. | 1. Oogenesis takes place in ovaries in mature and fertile females. |
| 2. From one spermatogonium four haploid sperms are formed during spermatogenesis. | 2. From one oogonium one haploid ovum and a polar body is formed during oogenesis. |
| 3. Spermatid developed undergoes metamorphosis in the process of spermiogenesis. | 3. There is no such process of metamorphosis in oogenesis. |
| 4. Spermatid development takes place which later becomes a functional sperm. | 4. Ootid development does not take place during oogenesis. It develops only after fertilization. |
| 5. Spermatogonia, primary and secondary spermatocytes and spermatid are the stages of sperms formed during spermatogenesis. | 5. Oogonia, primary and secondary oocytes are the stages formed during oogenesis. Ootid formation occurs only after fertilization. |
