Ka taƙaita labarin:  Masana kimiyyar kasar Sin sun yarda da sauya kwayoyin halittar dan Adam a karon farko. Sanarwar ta tabbatar da jita-jitar cewa wasu masu bincike suna gudanar da gwaje-gwajen kwayoyin halitta da ba su da kyau. Wasu masana kimiyya sun riga sun tsorata da wannan ra'ayin, domin suna tsoron cewa za a iya yin amfani da shi a hanyar da ba ta dace ba don a ƙyale iyaye su 'zaɓa' kwayoyin halittar da za su ba 'ya'yansu. Masana kimiyyar kasar Sin sun yarda sun canza kwayoyin halittar dan Adam, kamar wanda ke sama, a karon farko a tarihi. Sanarwar ta tabbatar da jita-jitar cewa wasu masu bincike suna gudanar da gwaje-gwajen da ba su dace ba. Tawagar ta yi kokarin gyara kwayar halittar da ke da alhakin β-thalassaemia, wata cuta ta jini da za ta iya kashe mutum, ta yin amfani da wata dabara ta gyaran kwayar halittar da ake kira CRISPR/Cas9. Fasahar CRISPR tana sauya sassan kwayoyin halitta daidai. Ba kamar sauran kayan aikin kashe kwayar halitta ba, tsarin CRISPR ya shafi asalin kwayar halitta kuma ya kashe kwayoyin halitta a matakin DNA. Yankewar DNA <unk> da aka sani da katsewar zaren biyu <unk> yana kwaikwayon nau'ikan maye gurbi da ke faruwa a zahiri, misali bayan bayyanar rana mai ɗorewa. Amma ba kamar hasken UV da zai iya kawo canjin halittar jini ba, tsarin CRISPR yana kawo canji a wuri na musamman a cikin kwayar halitta. Sa'ad da na'urar tantanin halitta ta gyara ɓarkewar DNA, tana cire ƙaramin ɓangarorin DNA. Ta wannan hanyar, masu bincike za su iya kashe wasu ƙwayoyin halittar a cikin kwayoyin halittar. Tawagar ta yi nazarin ikon tsarin CRISPR/Cas9 na gyara kwayar halittar da ake kira HBB da ke da alhakin β-thalassaemia. Koyaya, wasu suna jayayya cewa ana iya amfani da wannan fasaha don kawar da iyalai daga cututtukan gado masu banƙyama kamar cystic fibrosis ko wasu nau'ikan ciwon daji. Masu bincike a Jami'ar Sun Yat-sen da ke Guangzho a yau sun wallafa bincikensu a mujallar Protein & Cell, a cewar wani rahoto a cikin Nature. A cikin takarda, masu bincike karkashin jagorancin Junjiu Huang, sun yi ƙoƙari su rage damuwa ta hanyar amfani da 'ƙwaƙwalwar ƙwayoyin cuta,' waɗanda ba za su iya ci gaba zuwa jarirai ba. Kungiyar ta yi kokarin gyara kwayar halittar da ke da alhakin...
Masana kimiyya na kasar Sin sun yi kokarin gyara kwayar halittar da ke haifar da cutar jini. Manyan masu bincike sun yi kira da a dakatar da irin wannan bincike har sai an bincika tasirin da amincin fasahar yadda ya kamata. Sun yi gargadin cewa gyare-gyare na kwayar halitta'mai haɗari ne kuma ba za a yarda da shi ba' Wasu suna tsoron cewa za a iya yin amfani da wannan dabarar a hanyar da ba ta dace ba don ƙirƙirar 'iyalan masu zane'