In the ABO blood type system the alleles I^A,I^B,and i produce

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The three alleles in the ABO blood type system (I^A, I^B, and i) can combine in many different ways to produce four different phenotypes: Type A, Type B, Type AB (which occurs when an individual inherits both the A and B alleles), and Type O (which occurs when an individual inherits two copies of the i allele). Therefore, the correct answer is C, which reflects the fact that the ABO blood type system produces four different phenotypes.

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

In the ABO Blood Type System the Alleles I^A,I^B,and I