Genetics Quiz
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MENDELIAN GENETICS
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In a hypothetical insect, eye color is determined by a two-gene pathway where a colorless precursor is converted to a red pigment by the product of gene R, and the red pigment is converted to a purple pigment by the product of gene P. Alleles R and P are dominant and produce functional enzymes. A dihybrid insect (RrPp) is test-crossed. What is the expected phenotypic ratio in the progeny?
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