HEREDITY
MULTIPLE ALLELES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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AA
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BO
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AO
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OO
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Detailed explanation-1: -If you have an AA or AO genotype, you will have the phenotype of type A blood; if you have a BB or BO genotype, you will have a type B blood phenotype; if you have an AB genotype, you will have a type AB blood phenotype; and if you have an OO genotype, you will have a type O blood phenotype.
Detailed explanation-2: -Both A and B alleles are dominant over O. As a result, individuals who have an AO genotype will have an A phenotype. People who are type O have OO genotypes. In other words, they inherited a recessive O allele from both parents.
Detailed explanation-3: -Under this system phenotypes designated by a capital letter such as A would correspond to either a homozygous dominant (AA) or heterozygous (Aa) genotype while phenotypes designated by a lower case letter such as a would correspond to homozygous recessive genotype (aa).
Detailed explanation-4: -The ABO system A-red blood cells have only the A antigen. B-red blood cells have only the B antigen. AB-red blood cells have the A and B antigens. O-neither A nor B antigen.