文档介绍：Thetest-tubebabytechnology’s briefintroductionanddiscussionName:PengxiangLiStudentNumber:81110814Class:-tubebabytechnologyisalsoknownasinvitrofertilization-embryotransfer(IVF-ET)technology,meansusingsomeartificialmethodstofertilizeeggsandspermsinvitro,orinalaboratoryculture,andcarryingoutearlyembryodevelopment,,,ThemagazineNatureinUKreportedaexperimentofrecyclingrabbits’eggsandtransferingthemtootherrabbitstogivebirthtoyoungrabbitsby“borrowingtheabdomen”.In1959,MinjueZhang,aChinese-Americanbiologist,finishedthisexperimentagain,,1978,theworld'sfirsttest-,manycountrieshadmadethefirstgenerationtest-,girlThefirsttest-,,,,,,,aboyandagirl,thefirsttwinsoftest-,girl,thefirstmulattotest-,,,,boy,thefirsttest-',China,boyfirsttest-tubebabyUptonow,theglobaltest-’andeggs’nucleus,andthecytoplasmaroundnucleus,,butbecauseofpoorphysicalconditions,orolder,causingthe