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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D053-11

In studies of genetic diversity of bristlecone pines, molecular markers allow unique specimens or populations of trees to be identified. Here, geneticist Chris Richards loads an automated DNA sequencer for genetic analysis.

Photo by Stephen Ausmus.


640 pixels wide: (D053-11.jpg)




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Last Modified: 5/23/2006
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