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  4. The first meiotic division during spermatogenesis takes place when:

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Q. The first meiotic division during spermatogenesis takes place when:

NTA AbhyasNTA Abhyas 2020Human Reproduction

Solution:

Spermatogenesis is a highly specialized process of cellular differentiation resulting in the formation of functional spermatozoa. Spermatogenesis begins with a diploid spermatogonium in the seminiferous tubules, which divides mitotically to produce two diploid primary spermatocytes.
The primary spermatocyte then undergoes meiosis I to produce two haploid secondary spermatocytes.
The haploid secondary spermatocytes undergo meiosis II to produce four haploid spermatids.