<prompt> Yenza inguqulo eyinkimbinkimbi yalesi sigwebo Ucwaningo olwengeziwe, nakuba lungazange luqinisekise ukuthi abesifazane bakhangwa iphunga le-MHC ehlukile, luye lwabonisa nokuthi abesifazane abasebenzisa izindlela zokuvimbela inzalo ezinama-hormonal bakhangwa yi-MHC efanayo.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Izifundo ezengeziwe, nakuba zingazange ziqinisekise ukuheha kwabesifazane iphunga le-MHC engafani, zikwazile ukuqinisekisa ukuheha kwabesifazane abasebenzisa izindlela zokuvimbela inzalo kuma-MHC afanayo, kanye nokubonisa ukuthi abesilisa bakhangwa kakhulu iphunga labesifazane abane-MHC engafani. 