Spermatogenesis, like oogenesis, produces gametes by meiosis. Spermatogenesis differs from oogenesis in that the cytoplasm from the precursor gametic cell is equally divided among the sperm.

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In spermatogenesis, each precursor cell ultimately gives rise to four sperm cells, with cytoplasm divided relatively equally among them. In contrast, oogenesis results in one ovum and three polar bodies, with the cytoplasm being unequally divided, favoring the ovum.

Spermatogenesis, Like Oogenesis, Produces Gametes by Meiosis