Ngokushesha, amaphahla kaPCR ezinikezeliyo kuhlu kwesikhashana sokugijima ngokubheka nokusukumisa. Ukudala, amaphahla akhona amanani amandla okulandelwayo esebenzisa imibiko yesayithi ukuze bangene ngendlela engezantsi kunye namasimu asicabango. Amafundi angazizange zihlobene namanzi apho amaphahla ayiphi ingcinane ngoba kufuneka kusebenzise phahla lePCR lokungcono kunye nokusukumisa ukwenza umndeni wakho usaphinde usukela emgodini.