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Understanding Cancer Series

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  • Posted: 01/28/2005
  • Reviewed: 09/30/2009

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Slide 41

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DNA Mutation

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Genes can be mutated in several different ways. The simplest type of mutation involves a change in a single base along the base sequence of a particular gene--much like a typographical error in a word that has been misspelled. In other cases, one or more bases may be added or deleted. And sometimes, large segments of a DNA molecule are accidentally repeated, deleted, or moved.

DNA Mutation