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barry barry
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11 years ago
Explain and differentiate among the molecular bases of codominance, incomplete dominance, and complete dominance.
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11 years ago
In codominance, gene product from both alleles of a heterozygote is produced, so both allelic phenotypes are expressed. In incomplete dominance, a homozygous dominant produces two doses of gene product, a heterozygote produces one dose, and a homozygous recessive produces none. In complete dominance, one or both of the dominant alleles is capable of producing enough gene product for the normal dominant phenotype to be expressed.
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