Li-parthenogenesis (ye Greek parthenos, intombi, futhi i-genesis, ukuzalwa) ukwahlukaniswa kusuka ku- a gamete owesifazane ongavundile. Kuyindlela yomzali oyedwa yokuzala. Iyingxenye yezindlela zokukhiqiza ucansi, ngoba idinga ukungenelela kwe-gamete kodwa lapho ungekho umnikelo wezakhi zofuzo ezivela komunye umuntu umphumela ufana nokuzala okungajwayelekile.
Lo mkhuba ubonwa ngokwemvelo ezinhlotsheni ezithile zezitshalo nezilwane, kepha futhi ungabangelwa ngokungeyena. Embusweni wezitshalo, i-parthenogenesis ayijwayelekile phakathi angiosperms. I-Parthenogenesis itholakala kwabaningi taxa ezifana nematodes, lo polychaete, lo oligochaete, lo nemerteans, lo eyisinambuzane (kufaka phakathi izinambuzane ezithile ezifana ne-bee futhi aphid), The gastrotrichs futhi abanye izilwane ezinwabuzelayo.
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