Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Ana amfani da nazarin tagwaye a cikin ƙoƙari don ƙayyade yadda yawancin halayyar ke da alaƙa da kwayoyin halitta ko tasirin muhalli. Waɗannan karatun suna kwatanta tagwayen monozygotic da dizygotic don halaye na likita, kwayoyin halitta, ko halayyar ɗan adam don ƙoƙarin ware tasirin kwayar halitta daga tasirin epigenetic da muhalli. Ma'aurata tagwaye da aka rabu da su tun suna ƙanana kuma aka yi renonsu a gidaje dabam-dabam ana neman su sosai don waɗannan nazarin, waɗanda aka yi amfani da su sosai wajen bincika yanayin 'yan Adam. Nazarin tagwaye na yau da kullun yanzu ana ƙara su da nazarin kwayoyin halittar kwayoyin halitta waɗanda ke gano ƙwayoyin halittar mutum.  Tambaya: Wace irin hanya ake amfani da ita?
Nazarin tagwaye