Asifthereweren’tenoughofthemintheworldalready,scientist...
问题详情：Asifthereweren’tenoughofthemintheworldalready,scientistshavesucceededincloningflies.Thealikefruitfliesarethefirstinsectsevercloned,saystheCanadianteamthatcreatedthem.Thequestioneveryoneasksis...