NEET 2009 Biology question
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is:
Answer: (1)
Solution
In the seminiferous tubules, the diploid spermatogonia (male germ cells) multiply by mitosis; some grow into primary spermatocytes, which undergo meiosis I to form secondary spermatocytes and meiosis II to form haploid spermatids. The spermatids are
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