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Nature 403, 826 (24 February 2000) | doi:10.1038/35002782

Open Innovation Challenges

Cloning shock: was Dolly a three-legged accident?

Wendy Gibson1

  1. School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK

We all know Dolly was cloned from one of her dam's cells, but why does Nature publish a photo of her1 with three of her own legs and one of her mother's apparently grafted on to her umbilicus? On the cover of the Nature issue that announced Dolly, this fourth leg had a black hoof, quite properly since — in the photo2 from which the cover image was taken — it belonged to the Scottish Blackface dam standing behind her.