: There are many genes in cat that affect the color and pattern oftheir coat. Th

Question

: There are many genes in cat that affect the color and pattern oftheir coat. The stripes are due to a gene in which thedominant (B) produces black stripes and b produces brownstripes. The stripes are further influenced by a dilution gene inwhich the dominant (D) produces full color and recessive (d)lightens the color of the stripes so that black stripes look gray(called blue) and brown stripes look light taupe gray (calledlilac). Another dominant allele (W) prevants the appearence of anycolor so the coat color is white. A female cat whose genotype isWwBbdd is mated to a male cat whose genotype is wwBBDd. a. What are the phenotypes of the parents? b. What are the phenotypic ratios of the offspring of thiscross. c. what is the genotype of the offspring? a. What are the phenotypes of the parents? b. What are the phenotypic ratios of the offspring of thiscross. c. what is the genotype of the offspring?

Explanation / Answer

a) The female cat is white and the male cat has black stripes infull color. b)50% are white; 25% have full color black stripes; 25% have bluestripes. c) The genotypes of the offspring are: 25% WwBBDd; 25% WwBbDd; 25%wwBBDd; 25% wwBbdd

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