Sa'an nan kuma amsa tambaya a baya a cikin wannan harshe kamar yadda sashi: Passage: Mutations canza kwayar halittar kwayoyin halitta kuma wani lokacin wannan yana haifar da phenotypes daban-daban don bayyana. Yawancin maye gurbi ba su da tasiri a kan kwayar halittar kwayoyin halitta, kiwon lafiya, ko dacewa da haihuwa. Mutations da suke da tasiri yawanci suna da illa, amma wani lokacin wasu na iya zama da amfani. Nazarin a cikin tashi Drosophila melanogaster ya nuna cewa idan maye gurbi ya canza furotin da kwayar halitta ta samar, kimanin kashi 70 cikin dari na waɗannan maye gurbi zai zama cutarwa tare da sauran kasancewa ko dai tsaka tsaki ko rauni mai amfani. Tambaya: Wanne ne aka yi nazari?
Drosophila melanogaster Ƙananan ƙwayoyin cuta