In his mystic forays into the nature of creation, the poet William Blake questioned both the lamb and the tiger about their origins, asking the tiger who it was who could have possibly crafted its "fearful symmetry." "Did he smile his work to see? Did he who made the Lamb make thee?" This year, out of a research institute in Scotland, a lamb named Dolly came roaring similarly existential questions. For Dolly was a clone, and her doubling had a fearful symmetry of a different kind: If sheep could be cloned, could humans be far behind?
Dolly is a carbon copy...
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