In Labrador Retrievers there are three genes that code for coat color and exhibit epistasis The first gene determines if the dog

Question

In Labrador Retrievers there are three genes that code for coat color and exhibit epistasis The first gene determines if the dog has a black B coat or a brown b coat The second gene is the gene for the Extension trait which determines if the dog has the coat color from the previous trait E or if the dog will have a yellow coat e the yellow color masks the black or brown color The third gene is a dilution gene in which the recessive form d will dilute black to charcoal yellow to cream and chocolate to the highly sought after silver If a black lab BbEeDd is crossed with a yellow lab BbeeDd what are the possible phenotypic ratios and what is the probability of producing a litter of 6 puppies with all six colors black brown yellow charcoal cream and silver

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