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United States Department of Agriculture

Agricultural Research Service

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Image Number D1337-11

An important intermediate step in the analysis of evolution is to determine which methods are effective for detecting differences between strains. Using a Bio Rad imager and pulse field gel electrophoresis, veterinary medical officer Jean Guard-Bouldin (left) and technicians Carolina Hall (center) and Cheryl Pearson-Gresham classify strains that are being used to produce mutational maps. 


Photo by Stephen Ausmus.

640 pixels wide: (d1337-11.jpg)

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Last Modified: 3/14/2017
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