Uhlobo lwesampula oluthunyelwe luncike ekuhlolweni kwe-DNA okufanele kwenziwe.
Ungabona uhlu lwamasampula angenzeka kuhlolo ngalunye lwe-DNA ngokuya ku ikhasi lokuhlolwa kwe-DNA ngakunye.
Nakuba kuhlongozwa izinhlobo eziningana zesampula, uhlobo olulodwa kuphela lwesampula oludingekayo ngokuhlolwa kwe-DNA.