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Rights: Toni Barroshttp://creativecommons.org/licenses/by-sa/2.0/deed.en Published 10 October 2011 Size: 120 KB Referencing Hub media

Dolly (July 1996–February 2003), a female sheep, was the first mammal to be cloned from an adult using the process of nuclear transfer. Cloning research is ongoing. Debates about the benefits, risks and the ethics of cloning continue.