CELL DIVISION
MEIOSIS AND GENETIC VARIATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Blood type is an example of
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heterozygous trait
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homozygous trait
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codominance trait
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sex linked trait
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Explanation:
Detailed explanation-1: -Codominance. In people, one codominant trait that you can’t really observe by looking at a person, but many people know about themselves, is blood type. People with the AB blood type have one A allele and one B allele. Because both alleles are expressed at the same time, their blood type is AB.
Detailed explanation-2: -The human ABO blood group system exhibits codominance. The system consists of three alleles A, B, and O. Both A and B are dominant in relation to O, and therefore blood group A can have the genotype AA or AO.
Detailed explanation-3: -AB blood type is codominant because the red blood cells have the products of both the A and the B alleles of the ABO gene.
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