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United States Department of Agriculture

Agricultural Research Service

Image Number D2032-21

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Image Number D2032-21

Entomologist Tom Sappington and technician Lisa Fraser examine DNA sequences of boll weevil microsatellite markers to be used in population assignment analysis.


Photo by Stephen Ausmus.

640 pixels wide: (d2032-21.jpg)

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Last Modified: 12/17/2010