Inthepast,scientistshaveproducedexactgeneticcopiesofshe...
問題詳情:Inthepast,scientistshaveproducedexactgeneticcopiesofsheepandafewother__1__theseclonesfromasinglecellofanadultanimal.Recently,aprivategroupofscientistshasannounced__2__tomakeanexactcopyofahumanor...