Wednesday, November 21, 2007

News: Is Disease "Inheritance" More Random than Once Thought? (Scientific American)

Random and frequent cellular deactivation of one of two gene copies could potentially change a genetic outcome New research shows that cells often randomly deactivate one of a pair of gene copies or alleles, one of which they get from mom, the other from dad. This inactivation may potentially help explain why some children in a family may exhibit certain heritable disorders, whereas others do ...

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