ABO blood groups in humans are controlled by the gene I. It has three alleles - l^A, I^B and i. Since there are here different alleles, six different genotypes are possible. How many phenotypes can o…

Question

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

Accepted Answer

Correct answer: C. (c) ABO blood group has three alleles: I^A, I^B and i. The six possible genotypes produce four phenotypes: I^AI^A, I^Ai → Blood group A I^BI^B, I^Bi → Blood group B I^AI^B → Blood group AB ii → Blood group O

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

Solution

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