"abasic" akulona igama olimini lwesiNgisi. Kodwa-ke, kunegama elibizwa ngokuthi "indawo ye-abasic" okuwuhlobo lwesilonda se-DNA. Isizinda se-aasic yindawo eku-DNA lapho isisekelo silahlekile noma sisusiwe, okushiya igebe kumgogodla we-sugar-phosphate. Lezi zingosi zingadalwa ukulimala okuzenzakalelayo noma ukuchayeka kumakhemikhali noma emisebeni, futhi zingaphazamisa ukuphindaphinda nokulotshwa kwe-DNA evamile.