Genetics Quiz
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In a hypothetical insect, wing color is determined by two independently assorting genes, A and B. A researcher performs a cross between two true-breeding strains, one with white wings (AABB) and another also with white wings (aabb). The resulting F1 generation all have red wings. When the F1 insects are self-crossed, the F2 generation exhibits a phenotypic ratio of 9 red-winged insects to 7 white-winged insects. This outcome is best explained by which non-Mendelian inheritance pattern?
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