Kwafi na DNA

A cikin ilimin halitta, Kwafi na DNA shine tsarin nazarin halittu na samar da kwafi iri ɗaya na DNA daga ainihin kwayar halittar DNA guda ɗaya.
Tsarin
DNA yana wanzuwa azaman tsari mai madauri biyu, tare da dunƙule biyun da aka naɗe su don samar da sifa mai siffa biyu. Kowane madaidaicin DNA shine sarkar nau'ikan nucleotides guda hudu.
Ka'idoji
Eukaryotes
A cikin eukaryotes, ana sarrafa kwafi na DNA a cikin mahallin sake zagayowar tantanin halitta. Yayin da tantanin halitta ke girma da rarraba, yana ci gaba ta matakai a cikin tsarin tantanin halitta; Kwafin DNA yana faruwa a lokacin S (lokacin kira).
Masoma
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3685895
https://en.wikipedia.org/wiki/DNA_replication