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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K11887-1

Daniel Cook, a postdoctoral research associate, uses gel electrophoresis of DNA to clone genes involved in biosynthesis of sorgoleone, an important allelochemical.

Photo by Peggy Greb.

640 pixels wide: (k11887-1.jpg)

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Last Modified: 5/23/2006