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10/99-- Plant scientists have discovered that if they determine the location of a gene for a specific trait in one plant, another plant in the same family is likely to have the gene in the same location on its genome. For example, the genes for digestibility, dwarfism and waxy skin are found in the same approximate locations on cereal grains such as wheat, corn, sorghum and rice. But because corn has three times as much genetic material as sorghum, it is easier to identify the location of a desired trait in sorghum and then search for that gene in corn than it is to search through the entire genome of corn.
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(Purdue Ag Communications Graphic by Amy Carter and Steve Tally)
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