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Unformatted text preview: o One allele is said to be incompletely dominant to another allele when the heterozygote has a phenotype that is intermediate between the two homozygotes. Codominance One allele is said to exhibit codominance with respect to another allele when each allele produces its full phenotype in the herterozygote. Polymorphism in the loosest sense means that there??? In the most qualified sense polymorphism refers to the existence of more than one allele at a locus in a population. There must be at least two alleles where their proportion is greater than .01 Multiple allelism refers to the existence of more than two alleles at locus. A locus that exhibits multiple allelism maybe polymorphic....
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- Spring '08