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Researchers Reveal Early Steps In Clone Development 
10/19/2005 5:09:17 PM

Despite widely publicized reports about the sheep, Dolly and Polly, cloning is still not considered successful in the scientific community. Only two percent of clones succeed and they are sometimes unhealthy. To understand exactly where cloning goes wrong, researchers at Temple University School of Medicine (TUSM) examined and compared the earliest stages of development in normal embryos and cloned embryos.
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