Ta hanyar ɗaure ("ɗaura") ɓangarorin DNA tare daga tushe daban-daban, masu bincike na iya ƙirƙirar DNA mai haɗawa, DNA sau da yawa ana danganta da kwayoyin halittar kwayoyin halitta. Ana amfani da DNA mai haɗawa a cikin mahallin plasmids: gajeren kwayoyin DNA masu zagaye tare da wasu kwayoyin halittar kwayoyin halitta akan su. A cikin tsarin da aka sani da kwayar halitta, masu bincike na iya fadada ɓangarorin DNA ta hanyar saka plasmids a cikin kwayoyin cuta sannan kuma suyi su a kan faranti na agar (don ware clones na kwayoyin cuta<unk>" cloning "na iya komawa ga hanyoyi daban-daban na ƙirƙirar cloned ("clonal") kwayoyin halitta). Tambaya: Wace hanya ce ke ba da damar DNA don fadada ɓangarorin?
DNA mai sake haɗawa