ABO blood groups in humans are controlled by the gene I. It has three alleles − I A , I B and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

Question

ABO blood groups in humans are controlled by the gene I. It has three alleles − I A , I B and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?, Two, Three, One, Four

MARKS App · Accepted Answer

The three alleles in ABO blood groups in humans can produce six different genotypes and four different phenotypes. Genotypes : Phenotypes I A I A , I A i - Blood group A I B I B , I B i - Blood group B I A I B - Blood group AB ii - Blood group O

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