Article
Metastable epialleles in mammals.
Trends in genetics : TIG - 1 Jul 2002
Rakyan Vardhman K, Blewitt Marnie E, Druker Riki, Preis Jost I, Whitelaw Emma
Abstract excerpt
There are some mammalian alleles that display the unusual characteristic of variable expressivity in the absence of genetic heterogeneity. It has recently become evident that this is because the activity of these alleles is dependent on their epigenetic state. Interestingly, the epigenetic state is somewhat labile, resulting in phenotypic mosaicism between cells (variegation) and also between individuals...
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