Final Answer:
Meiosis II in spermatogenesis results in the formation of:
a) Spermatids
b) Secondary spermatocytes
c) Spermatozoa
Step-by-step explanation
Meiosis II follows meiosis I, where the primary spermatocytes, after undergoing the first division, become secondary spermatocytes. Meiosis II further divides these secondary spermatocytes into spermatids, which later undergo spermiogenesis to form spermatozoa. Thus, options a), b), and c) are correct.
**Explanation:**
In the intricate process of spermatogenesis, meiosis II is crucial for the formation of spermatozoa. After the first meiotic division, primary spermatocytes become secondary spermatocytes. Each secondary spermatocyte, undergoing meiosis II, produces four haploid cells, known as spermatids. This process ensures the reduction of chromosome number and genetic diversity, essential for the formation of mature sperm.
The meiotic divisions involve precise chromosome segregation, and the result of meiosis II is the formation of spermatids. These spermatids undergo spermiogenesis, a complex differentiation process, to transform into mature and functional spermatozoa. The formation of spermatozoa with half the chromosome number is critical for sexual reproduction, ensuring the fusion of gametes during fertilization to restore the diploid chromosome number in the zygote.
In summary, meiosis II in spermatogenesis leads to the production of spermatids, which ultimately differentiate into spermatozoa. This highly regulated and sequential process is fundamental for the generation of male gametes and contributes to the maintenance of genetic diversity in populations.
Therefore, the correct answers are
a) Spermatids
b) Secondary spermatocytes
c) Spermatozoa