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ARS Home Office of Communications Images Photos Jan07





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Image Number D665-1 Purdue University graduate student Marcelo Giovanini loads samples for analysis by quantitative real-time PCR to determine plant gene expression levels, while molecular biologist Christie Williams examines output. Gene expression data indicates which genes and defense mechanisms the plant uses in its battle against Hessian fly.  Photo by Peggy Greb.  640 pixels wide: (d665-1.jpg)   Please visit our Image Gallery


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