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NATIONAL INSTITUTE OF MENTAL HEALTH / NIH / SCIENCE PHOTO LIBRARY NATIONAL INSTITUTE OF MENTAL HEALTH / NIH / SCIENCE PHOTO LIBRARY
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Researcher examines gene chip. A DNA microarray (also commonly known as DNA chip or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes simultaneously or to genotype multiple regions of a genome. No photographer credited, dated July 2, 2009.
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