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"It was fortunate for us that Dolly was such a media star," says Ian Wilmut, who headed the group at the Roslin Institute in Midlothian, UK, that created her. "In a biological sense we realised the enormity of what we achieved. What I didn't anticipate was the enormous interest that followed."
Dolly died in February 2003, but her iconic status as the first mammal cloned from a specialised adult cell lives on. Yet 10 years after her euphoric birth, the hopes, and fears, that cloning would spark a revolution in biotechnology, animal breeding and human medicine have so far proved wide of the mark.
Dolly was created by reprogramming an adult cell - in her case a sheep's udder cell. At the time, the received biological...