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United States Department of Agriculture

Agricultural Research Service

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Image Number D842-1

Using an automated sequencer, molecular biologist Kyung Seok Kim (left) and entomologist Tom Sappington study DNA samples from a boll weevil to identify the weevil's origin.


Photo by Stephen Ausmus.

640 pixels wide: (d842-1.jpg)

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Last Modified: 6/27/2017
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