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Read articles, including Science News stories written for ages 9-14, on the SNK website.
POWER OF THE BLUEPRINT
View larger image | A recent genetic study identified a segment of chromosome 15 that had relocated to chromosome 17 in a patient with a difficult-to-diagnose case of leukemia. The change, which affected the cancer-related RARA gene (bright blue), was not visible via a microscope. Credit: J.S. Welch et al/JAMA 2011

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