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SHARED DIFFERENCES
View Larger Version | Glowing strands of DNA from five people highlight differences among humans in the number of copies of amylase genes, which encode enzymes that break down sugars. Red and green probes bind to regions hosting the genes, and each DNA strand has a different number of the genes on the short arm of chromosome 1. Credit: From the American Journal of Human Genetics, January 2008

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  • Fascinating! I would like to learn more about the extent to which differences are inherited. Admittedly, my interests are genealogical (are we approaching a method for following autosomal heritage?), but the implications are just as important for health.
    Curtis Rogers Curtis Rogers
    Apr. 29, 2009 at 8:39am
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