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URL:  http://boards.fool.com/skin-cells-reveal-dna8217s-genetic-mosaic-30404609.aspx

Subject:  Skin cells reveal DNA’s genetic mosaic Date:  11/29/2012  9:29 AM
Author:  bdhinton Number:  23947 of 25048

The prevailing wisdom has been that every cell in the body contains identical DNA. However, a new study of stem cells derived from the skin has found that genetic variations are widespread in the body's tissues, a finding with profound implications for genetic screening, according to Yale School of Medicine researchers.

http://news.yale.edu/2012/11/18/skin-cells-reveal-dna-s-gene...
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