Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: A cikin eukaryotes, akwai siffofin tsarin chromatin wanda ke rinjayar fassarar kwayoyin halitta, sau da yawa a cikin nau'i na gyare-gyare ga DNA da chromatin wanda aka samo asali ta hanyar 'ya'ya mata. Ana kiran waɗannan siffofin "epigenetic" saboda suna wanzuwa "a saman" jerin DNA kuma suna riƙe da gado daga ƙarni ɗaya zuwa na gaba. Saboda halaye na epigenetic, nau'ikan sel daban-daban da aka girma a cikin matsakaici ɗaya na iya riƙe halaye daban-daban. Kodayake siffofin epigenetic yawanci suna da ƙarfi a yayin ci gaba, wasu, kamar abin da ya faru na paramutation, suna da gadon ƙarni da yawa kuma suna wanzu a matsayin ƙananan banda ga ƙa'idar ƙa'idar DNA a matsayin tushen gado.  Tambaya: Waɗanne halaye ne iri-iri na ƙwayoyin halitta suke da shi?
ƙwayoyin cuta