Researchonembryonicstemcells(胚胎幹細胞)isdebatablebecauseit...
問題詳情：Researchonembryonicstemcells(胚胎幹細胞)isdebatablebecauseitrequiresthedestructionoflivehumanembryos.Supportersfinditeasytominimizethesignificanceofthisfactbecausetheembryosareonlyafewdaysold...