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Nature 416, 593 (11 April 2002) | doi:10.1038/416593a

Molecular biology: Alternative arrays

Richard Turner

As the sequencing of the human genome nears completion, the full catalogue of encoded genes is coming into focus. In an effort to find out where and when each of these genes may be active in our bodies, researchers often turn to microarrays, which allow the levels of many different DNA or RNA sequences to be measured at once.