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Differentiate between spermatogonium, spermatocyte I and II

Differentiate between spermatogonium and spermatocyte-I and II?

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The men germ cells are the spermatogonia (diploid cells, 2n) located in the testicles. They mature and through mitosis give birth to spermatocytes I (2n) which will undergo meiosis.

The spermatocyte I (2n) undergoes the primary division of meiosis (meiosis I) initiating two spermatocyte II (haploid, n).

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