The genotypes of a husband and wife are $I^AI^B$ and $I^Ai$. Among the blood types of their children,how many different genotypes and phenotypes are possible?

$ABO$ blood grouping is an example of:

Genes located at the same locus of chromosomes are called

How are blood groups in humans controlled?

As per the $ABO$ blood grouping system,the blood group of the father is $B^{+}$,the mother is $A^{+}$,and the child is $O^{+}$. Their respective genotypes can be:
Choose the most appropriate answer from the options given below:
$A. I^Bi / I^Ai / ii$
$B. I^BI^B / I^AI^A / ii$
$C. I^AI^B / iI^A / I^Bi$
$D. I^Ai / I^Bi / I^Ai$
$E. iI^B / iI^A / I^AI^B$

If the blood group of the mother is $A$ and the blood group of the father is $O$,what may be the blood group of the progeny?