![]() Men begin sperm production when they reach puberty. Oogenesis (female) Spermatogenesis Beginning Males and females of a sexually reproducing species have different forms of gametogenesisĢ. We call gametogenesis in male spermatogenesis, which produces sperm. Gametogenesis occurs during the formation of haploid cells from diploid cells by meiosis. In animals and higher plants, different differentiation programs result in the formation of two morphologically different types of gametes (males and females). It specialises in the important male and female genetic and epigenetic processes that underlie ordinary gametogenesis through differentiation up to fertilisation. Gametogenesis, the process of forming mature gametes, is an integral part of the health and well-being of both individuals and species.
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