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Published online 24 April 2002 | Nature | doi:10.1038/news020422-12
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Stem cells from failed clones
Frog study suggests scientists should hold onto defective clones.
Defective cloned embryos could be a source of stem cells, a preliminary study suggests1.
Cells from failed cloned frog embryos grafted into normal host embryos grow into muscle, skin and backbone, J.
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