On5July1996,alambwasborninashedinScotland．ItwascalledDo...
问题详情：On5July1996,alambwasborninashedinScotland．ItwascalledDollyanditwasanexactcopy,orcloneofanothersheep．Acloneisamethodofcopyalivingthing．Scientistshavebeenabletocloneplantsandbacteria(细菌)foralongt...