Asked by gibert
True or false: In codominance, both phenotypes are expressed equally in the heterozygote?
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GPT-5 mini
AI
True.
In codominance both alleles are expressed simultaneously in the heterozygote, so you see phenotypic effects of both (e.g., IAIB individuals express both A and B antigens → type AB blood). Note: the key point is that neither allele is masked; “equally” is meant in the sense that both phenotypes appear, though molecular expression levels can vary in real systems.
In codominance both alleles are expressed simultaneously in the heterozygote, so you see phenotypic effects of both (e.g., IAIB individuals express both A and B antigens → type AB blood). Note: the key point is that neither allele is masked; “equally” is meant in the sense that both phenotypes appear, though molecular expression levels can vary in real systems.
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