Cloning an animal is a tedious and difficult process, as shown by six calves cloned by scientists at the U.S. Agriculture Department. So many observers are skeptical of claims of an imminent human clone. NPR's Joe Palca reports.
Copyright 2002 NPR
Cloning an animal is a tedious and difficult process, as shown by six calves cloned by scientists at the U.S. Agriculture Department. So many observers are skeptical of claims of an imminent human clone. NPR's Joe Palca reports.
Copyright 2002 NPR
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