【文化】Chinese scientists build 3D model of 3

ChinesescientistsbiDmef-weekhmanembry()BEIJING,Apri(Xinha)--ChinesescientistsrecnstrcteaDmefahmanembrywithintwtthreeweeksafterfertiizatin,,in-vitrctrefhmanembrysisimitetays,antherefre,thehmanembrygrwthbetweenanaysafterfertiizatinissaycnsierea"backbx."TheresearchersfrmtheInstittefZgy,attheChineseAcaemyfSciences,anChinaAgrictraUniversitycnctehigh-restinprfiingn,genesptsfahmanembryanthencnstrcteits,theyhaveinvestigatetheynamicactivityfsignaingpathwaysangtheembrynicbyaxis,iscarriagesanfetaisrersinearyembrynicevepment,saitheresearchers.(Webeitr:ZhangKaiwei,LiangJn)。