It may be possible to clone humans without causing "large-offspring syndrome" often seen in many cloned animals, say Duke University radiation oncologist, Randy Jirtle and Keith Killian, extrapolating from a study out today. They have demonstrated that humans and other primates have a genetic benefit over other mammals by possessing two activated copies of the IGF-2 receptor (IGF2r), which is the cause of fetal overgrowth and organ abnormalities seen in some cloned pigs, sheep, goats and mice.
Full story in BioMedNet News, Aug 15, 2001.
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