Jacqui Wise reports from the American Association for the Advancement of Science conference in Philadelphia

BMJ 1998; 316 doi: (Published 21 February 1998) Cite this as: BMJ 1998;316:571

Dolly the sheep was a clone, Edinburgh scientist maintains

Dr Ian Wilmut, the head of the Roslin Institute in Edinburgh, has hit back at critics who have suggested that Dolly the sheep was not a clone.

Dolly was the first animal to be cloned from adult cells, using a nuclear transfer process. Criticisms have centred on the fact that other scientists have not managed to repeat the work and that, because the adult ewe from which the mammary gland …

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