Expression levels are variable in the placentas of cloned embryos.
Ogura/AAAS
At stake is an explanation of the various defects seen in some cloned offspring. Jaenisch believes that a number of things may be going wrong, but initially he has focused his attention on a subset of developmental genes called imprinted genes. Jaenisch found that a number of these genes were...
The Rockefeller University Press
2002
The Rockefeller University Press
2002
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