In Labrador Retrievers there are three genes that code for
Last updated: 1/12/2023
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