From: Smigrodzki, Rafal (SmigrodzkiR@MSX.UPMC.EDU)
Date: Sat Nov 24 2001 - 13:47:45 MST
Robert Bradbury wrote:
> The company created nearly 500 embryos by cloning; 30 survived to
> birth, of which 24 grew to adulthood.
Its nice to know it works, but at a 6% birth rate and 4.8% success rate
to adults it isn't exactly what one would call a "reliable" method.
### If you take into consideration the natural rate of early embryo
lethlity, miscarriage, and birth defects, which in humans is estimated to be
perhaps as high as 85% of the total embryos conceived, the reliability of
cloning does not look that bad after all.
Rafal Smigrodzki, MD-PhD
smigrodzkir@msx.upmc.edu
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