Question
How does the gene ‘I’ control ABO blood groups in humans? Write the effect the gene has on the structure of red blood cells.
✓
Answer
Gene ‘I’ has three different alleles IA, IB, i.
IA produces A type of sugar which results in A group.
IB produces B type of sugar which results in B group.
Produces no sugar which result in O group.
The sugar polymers protrude from the surface of plasma membrane of RBCs which are characteristics of each blood group.
IA produces A type of sugar which results in A group.
IB produces B type of sugar which results in B group.
Produces no sugar which result in O group.
The sugar polymers protrude from the surface of plasma membrane of RBCs which are characteristics of each blood group.
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