in certain breeds of dogs, a coat with a solids color is dominant to one that is spotted. let's suppose two heterozygotes were crossed.
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In certain breeds of dogs, two different sets of alleles determine the color pattern. Black color is dominant and red color is recessive; solid color is dominant and white spotting is recessive. A homozygous black-and-white spotted male is crossed with a red-and-white spotted female. What would be the phenotypic ratio of their offspring?
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In dogs, long hair is dominant to short hair. In addition, black coat color is incompletely dominant to yellow coat color and the intermediate is chocolate color. Give the expected results (both ratios and characteristics) for a cross between a short-haired yellow dog and a heterozygous long-haired, black dog. ( 3 marks)
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In cocker spaniels, solid coat color is dominant over spotted coat color. If two heterozygous dogs were crossed to each other, what would be the probability of the following combinations of offspring? a. Litter of 5 pups, 4 solid fur, 1 spotted fur b. 1st litter with 6 pups, 4 solid fur, 2 spotted fur; 2nd litter with 5 pups, all solid fur c. 1st litter with 5 pups, firstborn solid, among next four 3 solids & 1 spotted; 2nd litter of 7 pups, firstborn spotted, second born spotted, among next five 4 solids & 1 spotted
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