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Research Papers
Ludwig Institute for Cancer Research, West Montreal, Quebec, Canada.
Abstract
Proposed models for the inheritance of locus-specific methylation phenotypes in somatic cells include those in which there is stable inheritance of a methylation pattern such that all cells contain a similarly methylated locus, as well as models in which the inheritance of methylation can be variable. We investigated these possibilities by examining the methylation and expression of hemizygous loci in the mouse. Our results demonstrate that differences in both methylation and expression can exist between apparently identical cells and that such mosaicism is genetically controlled.
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