HEREDITY
INCOMPLETE DOMINANCE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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IA IA and IA IB
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IB IB and ii
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IB IB and IB i
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IA IB and IA IB
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Detailed explanation-1: -Individuals with IAIA or IAi have to type A blood, and individuals with IBIB or IBi have type B.
Detailed explanation-2: -Genotypes BB and BO have Type B Blood Genotypes BB and BO refer to individuals having either two “B” alleles for blood type, or one “B” allele and one “O” allele. Both of those genotypes results in having Type B blood. The BO genotype results in Type B blood because B is dominant over O.
Detailed explanation-3: -Individuals with IA/IA or IA/IO have type A blood and individuals with IB/IB or IB/IO have type B.
Detailed explanation-4: -The human ABO blood group is controlled by a single autosomal gene with three alleles, IA, IB and i. Individuals with either the IAIA or IAi genotypes have blood type A. Those with IBIB or IBi have blood type B. Those with IAIB have blood type AB, and those with ii have blood type O.