Epistatic Inheritance Pattern
A cross between a true-breeding purple-flowered plant and a true-breeding white-flowered plant yields an F1 generation of all purple-flowered plants. Self-pollination of the F1 plants produces an F2 generation with a phenotypic ratio of 13 purple-flowered to 3 white-flowered plants. Which of the following best accounts for this inheritance pattern?
A
Epistasis between two genes affecting flower color
B
Linkage between the flower color genes
C
Incomplete dominance of the purple allele
D
Multiple alleles for the flower color trait
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