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A homozygous polled Hereford bull (with dominant hornless gene (PP) , dominant white-face spotting pattern (WW) and...

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Biology

A homozygous polledHereford bull (with dominant hornless gene (PP) , dominantwhite-face spotting pattern (WW) and recessive brown coat color(bb) is crossed to an Angus female with horns (recessive, pp), nospots (recessive, ww) and a dominant solid black coat color(dominant, BB). All the F1 animals are polled (hornless), have asolid black coat and a white-face spotting pattern. These threeloci are autosomal and independent from each other. The F1 animalsare crossed to F1 animals to produce an F2. How often are horned,white-face and black animals expected in the F2?

Answer & Explanation Solved by verified expert
4.4 Ratings (792 Votes)
the parental cross isPPWWbb ppwwBBPpWwBb F1the F1 cross isPpWwBb PpWwBbles divide this into 3 different crossesPp PpPpPPP hornlessPphornlesspPphornlesspp    See Answer
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