We usually think of an individual's cells as sharing the same genome. Challenging this notion, two new studies show that somatic mosaicism is common and can be an early herald of cancer.
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Macosko, E., McCarroll, S. Exploring the variation within. Nat Genet 44, 614–616 (2012). https://doi.org/10.1038/ng.2311
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DOI: https://doi.org/10.1038/ng.2311
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