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DNA microarray

A DNA microarray (also commonly known as gene chip, 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.

Note:   The above text is excerpted from the Wikipedia article "DNA microarray", which has been released under the GNU Free Documentation License.
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August 29, 2015

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updated 12:56 pm ET