ABO blood group in humans is controlled by the gene I. It has three alleles, i.e. I A , I…
Biology · NEET · NTA Exams — Principles of Inheritance and Variation
ABO blood group in humans is controlled by the gene I. It has three alleles, i.e. IA, IB and IO. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
- Three
- One
- Four
- Two
Answer
(C) Four
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