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Image Number K7421-9 Biochemist Kevin Young (left) and David Ertl, a plant breeder with Pioneer Hi-Bred International, Inc., analyze hybrid corn samples. High inorganic phosphorus in low-phytic-acid kernels turns the test solution dark blue, while normal kernels show light. Photo by Keith Weller.  640 pixels wide: (k7421-9.jpg)   Please visit our Image Gallery


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