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Which statement describes the blood type of a person with the alleles ii?
It is type AB because i is recessive.
It is type AB because i is codominant.
It is type O because i is recessive.
It is type O because i is codominant.

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It is type O because i is recessive.

Answer: The correct answer is- It is type O because i is recessive.


There are three different alleles for the ABO gene that are present in the population and responsible for different blood types (A, B, AB, O).

Allele IA, IB, and i corresponds to blood type A, B, and O respectively.

i is a recessive allele and allele A and B are dominant.

Blood group O has genotype ii and it does not contain any antigen on the surface of RBC.


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