With precious human eggs too few and far between, Cibelli spent his time between deliveries practicing the transfer of nuclear DNA from a half-dozen or so body cell donors into cow eggs just to perfect his techni*ue.
With precious human eggs too few and far between, Cibelli spent his time between deliveries practicing the transfer of nuclear DNA from a half-dozen or so body cell donors into cow eggs just to perfect his techni*ue.
由于人类卵子娇贵而稀少，奇贝利通过将几个人体细胞捐赠者的细胞核DNA注入牛的卵子中来磨练技巧。