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Question: assume that shoe size is a quantitative trait involving two...

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Assume that shoe size is a quantitative trait involving two genes, each with two alleles. One allele at each gene contributes to big feet, the other allele at each gene does not (results in small feet). The genes are located on different autosomes. Each contributing allele adds 1 shoe size to the base of size 5, found in individuals that carry only alleles for small feet. You may assume that men and women do not differ in mean shoe size, and that shoe size is measured by the same system for women and men Mr. Unfaithful has size 9 shoes and has an unquenchable attraction to women with size 5 shoes. (In the opinion of most, Mr. Unfaithful is a bit strange.) Several children resulted from his clandestine affairs with four different women with size 5 shoes. a. What are the genotypes of the individuals with size 5 shoes? Size 7? Size 9? b. What are the genotypes and phenotypes of the children (the FI)? Show your work. c. he children all wed individuals who are double heterozygotes. What are the expected phenotypic ratios of the resulting children (the F2)? Show your work.
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