In the ABO blood type system the alleles Iᴬ,Iᴮ,and i produce A) three phenotypes. B) two phenotypes. C) one phenotype. D) four phenotypes. E) type A and type B blood types only.

Name: In the ABO blood type system the alleles Iᴬ , Iᴮ ,and i produce A) three phenotypes. B) two phenotypes. C) one phenotype. D) four phenotypes. E) type A and type B blood types only.
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Because the alleles for A and B blood types are codominant, both can be seen at once and more than two phenotypes can be found.

In the ABO Blood Type System the Alleles Iᴬ,Iᴮ,and i