ABO blood groups in human beings are controlled by the gene `I`. The gene `I` has three alleles
Channel: Doubtnut
Date: 2020-08-30

ABO blood groups in human beings are controlled by the gene `I`. The gene `I` 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 ?