Identify the wrong statement with reference to the gene $'I'$ that controls $ABO$ blood groups.
Allele $'i'$ does not produce any sugar.
The gene $(I)$ has three alleles.
A person will have only two of the three alleles.
When $I^{A}$ and $I^{B}$ are present together, they express same type of sugar.
Which of the following is genetically dominant in man
If one parent belongs to $‘A'$ blood group and the other to $‘O'$ blood group, their children possibly represent
The $ABO$ blood group are controlled by
For a child having blood group $B$, if father has blood group $A$, what may be the blood group of the mother
In the $ABO$ system, of blood group which of the following is example of co-dominance ?