Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Kwayar halittar mutum ta kunshi kwayoyin halittar 25,000 wadanda suke aiki tare don samar da kwayoyin halittar 1,000,000. Wannan ya faru ne saboda maye gurbin maye gurbin, kuma saboda kwayoyin suna yin canje-canje masu mahimmanci ga sunadarai ta hanyar gyare-gyare bayan fassarar bayan sun fara gina su, don haka kwayar halitta ta zama tushen tushen yawancin nau'ikan furotin na musamman. A kowane hali, gwaji guda ɗaya na ƙididdigar ƙididdiga zai iya gano game da  Tambaya: Mene ne abin da ake kira a cikin abin da kwayoyin halitta ke yin canje-canje masu muhimmanci a tsakanin kansu?
gyare-gyare bayan fassara