Question: Duroc Jersey pigs are typically red, but a sandy phenotype also occurs. When two different strains of true-breeding sandy pigs were crossed to each other,

Duroc Jersey pigs are typically red, but a sandy phenotype also occurs. When two different strains of true-breeding sandy pigs were crossed to each other, they produced F1 offspring that were red. When these F1 offspring were crossed to each other, they produced red, sandy, and white pigs in a 9:6:1 ratio. Explain this pattern of inheritance.

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The observed pattern of inheritance in the cross of Duroc Jersey pigs can be explained by the interaction of two different genes each with two alleles ... View full answer

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