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Two genes of a flower, one Controlling blue (B) versus white (b) petals and the other Controlling round (R) versus oval (r) stamens, are linked and are 10 map units apart. You cross a homozygous blue oval plant with a homozygous white round plant. The resulting F, progeny are crossed with homozygous white oval plants, and 1,000 offspring plants are obtained. How many plants of each of the four
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