The D and F loci are 18 map units apart on Drosophila chromosome 3. dd mutants have pale brown dilute bristles and ff mutants have furry antennae. A pure-breeding furry fly is crossed to a pure-breeding pale brown dilute fly for the Parental (P) generation. Show the genotypes of P, the F1 and the F1 testcross progeny. Indicate the four testcross progeny phenotypes, and the expected numbers for each phenotype if there are a total of 436 F1 testcross progeny flies. Show your calculations
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The D and F loci are 18 map units apart on Drosophila chromosome 3. dd mutants have pale brown dilut...
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