Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kuberekwa: Kufanana nedzimwe mhuka dzakawanda dzinoyamwisa, murume anowanzogara nhaka X chromosome yaamai vake uye Y chromosome yababa vake. Mwana ari mudumbu remurume anogadzira androgens yakawanda uye estrogen shomanana pane mwana ari mudumbu remukadzi. Uyu musiyano uri mumwero une chokuita neaya masteroid ebonde unotungamirira zvikurukuru kumisiyano yomuviri inosiyanisa varume navakadzi. Mukati mokuyaruka, mahormone anokurudzira kugadzirwa kwe androgen anoguma nokukura kwezvinhu zvepabonde zvechipiri, nokudaro zvichiratidza misiyano mikuru pakati pevarume nevakadzi. Zvisinei, pane zvisingabvumirwi pane zviri pamusoro apa nokuda kwavamwe varume vanochinja mitezo yevatano uye vanochinja mitezo yevatano.  Mubvunzo: Murume anowana kupi Y chromosome yake?
kubva kuna baba vake