A) Three
B) One
C) Four
D) Two
Correct Answer: C
Solution :
In ABO blood group system, inheritance of grouping is controlled by a single autosomal gene on chomosome 9 with three major alleles A, B and O \[\text{(}{{\text{I}}^{\text{A}}}\text{,}{{\text{I}}^{\text{B}}}\text{and}\,\,{{\text{I}}^{\text{O}}}\text{)}\]. The ABO blood group system has at least 6 genotypes. On the basis of presence or absence of antigens and antibodies, four blood groups (phenotypes) have been differentiated?A, B, AB and O blood groups.You need to login to perform this action.
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