Answer: people who are type AB normally produce both anti-A and anti-B antibodies
the only ABO blood type that normally does not have either A or B antigens is AB
Explanation:
The true statement is that people who have the A antigen normally would not produce the anti-A antibody
The ABO locus has three main allelic forms: They are A, B, and O. The type of inheritance is ABO blood type is autosomal codominant where the ABO blood type is inherited in an autosomal codominant fashion.
The ABO grouping is a test carried out to know a person's blood type. It is based on the notion that people have antigens on their red blood cells (RBCs) that match to the four main blood groups: A, B, O, and AB.
Conclusively, A person with blood type B has antigen B on his or her RBCs. a person with blood type AB has both A and B antigens on his or her RBCs while a person with blood type A has antigen A on his or her RBCs
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