Saturday, August 13, 2011

In Doodlewags (hypothetical creatures), the dominant allele R causes solid coat color; the recessive allele r?

In Doodlewags (hypothetical creatures), the dominant allele R causes solid coat color; the recessive allele r results in white spots on a colored background. The black coat color allele B is dominant to the brown allele b, but these genes are expressed only in the genotype aa at a third locus. Individuals that are A_ are yellow, regardless of the B alleles. Six pups are produced in a mating between a solid yellow male and a solid brown female. Their phenotypes are 2 solid black, 1 spotted yellow, 1 spotted black, and 2 solid brown. What are the genotypes of the male and female parents? EXPLAIN YOUR ANSWER.

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