What fraction of offspring is expected to be golden

Reference no: EM13142532

In Labrador retrievers, coat color can be golden, black or chocolate. Golden animals result from recessive epistasis, and have an e/e genotype. Black and chocolate labs have a dominant E allele and are either B- (if black) or bb (if chocolate). The nose color of golden labs can be black or chocolate, depending on the alleles at B/b. Two dihybrid black labs are mated. What fraction of offspring is expected to be golden with a black nose?

Reference no: EM13142532

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