In a medicolegal case of accidental interchange between two babies in a hospital, the baby of the blood group$-A$ could not be rightly given to a couple with
Husband of $O$ group and wife of $AB$ group
Husband of $A$ group and wife of $O$ group
Husband of $B$ group and wife of $O$ group
Husband of $AB$ group and wife of $A$ group
If a human mother has ‘$O$' blood group, the foetus would die if the blood of foetus is
Progeny with blood group $‘O’$ can not be obtained in cross
$ABO$ blood groups in humans are controlled by the gene $I$. It has three alleles $ I^A, I^B$ and $i$. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
A man with blood group $‘A’$ marries a woman with blood group $‘B’$. What are all the possible blood groups of their offsprings?
If a child has $O$ type of blood group and the father $B$ type, the genotype of the father will be