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Twenty years ago, British scientists introduced the world to Dolly the sheep, the first mammal to be cloned using nuclear transfer. She only lived for seven yea...
It's 20 years to the day since a sheep named Dolly became famous. Created by scientists in Scotland, Dolly was the first-ever adult clone....
http://filmow.com/asapscience-t197954/ *Para assistir todos os episódios, acesse o canal "AsapScience" no YouTube. Canal, no YouTube, criado por pelos canaden...