Blood group of mother and child are $B$ and $AB $ respectively. The possible blood group of father would be .........
$O$ or $A$
$A$ or $AB$
$B$ or $AB$
$O$ or $AB$
If one parent has blood group $A$ and the other parent has blood group $B$, the offsprings have which blood group
All of this obeys Mendel's laws except
Which one of the following blood groups belongs to the category of universal recipient
A man with blood group $‘A’$ marries a woman with blood group $‘B’$. What are all the possible blood groups of their offsprings?
In a marriage between male with blood group $A$ and female with blood group $B$, the progeny had either blood group $AB$ or $B$. What could be the possible genotype of parents ?