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In fruit flies, gray body color is dominant over black body color. suppose two fruit flies heterozygous for the alleles that carry body color are crossed and 200 offspring are produced. how many would you expect to have black bodies?

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Seventy-five percent i.e.e, 150 flies will be having a gray body, another twenty-five will have a black body. Out seventy percent gray flies, twenty-five percent will still carry an allele for the black body. You can use Punnett square to understand the calculation. 

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