<prompt> Zvimwe zvidzidzo, kunyange zvazvo zvisina kusimbisa kukwezva kwevakadzi kunhuhwirira kweMHC yakasiyana, zvakaratidzawo kuti vakadzi vari pamishonga yekudzivirira kubata pamuviri vanokwezva kuMHC yakafanana.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti Zvimwe zvidzidzo, nepo zvisingarevi kukwezva kwevakadzi kunhuhwirira kweMHC yakasiyana, vakakwanisa kusimbisa kukwezva kwevakadzi pane zvinodzivirira kubata pamuviri kune MHC yakafanana, pamwe nekuratidza kuti varume vanonyanya kukwezva kunhuhwirira kwevakadzi vane MHC yakasiyana. 