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lecture_5.page8 - Molecular Basis of Incomplete Dominance...

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Unformatted text preview: Molecular Basis of Incomplete Dominance Wild type allele A1 is an active allele Mutant allele A2 is inactive (null) allele A1 produces 10 molecules per cell A2 produces 0 molecules per cell A1 A1 = 20 molecules A1 A2 = 10 molecules A2 A2 = O molecules Assume that the phenotype is proportional to the number of molecules per cell A1 A1 = 20 molecules A1 A2 = 10 molecules A2 A2 = O molecules Then A1 A1 > A1 A2 > A2 A2, and A1 is incompletely dominant over the mutant allele A2 ...
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