Unstable genes make normal clones unlikely.
July 9, 2001 4:39 PM Subscribe
Unstable genes make normal clones unlikely. Dolly the sheep celebrated her fifth birthday yesterday. Most cloned animals aren't so lucky: they rarely reach adulthood, or even birth. Another reason why cloning humans might not be a good idea, "one can't expect to have normal clones - even if they appear healthy, they may have abnormal gene expression."
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