If one parent belongs to $‘A'$ blood group and the other to $‘O'$ blood group, their children possibly represent
$A$ and $B$ groups only
$AB$ only
$A$ and $O$ groups only
All four groups
Give differences : Incomplete dominance and Co-dominance
$A$ child with mother of $B$ blood group and father of $AB$ group blood group, will not have the following blood group.
The probablity of having a child with blood group $O$ to parents with blood groups $A$ and $B$ is
Blood group of the father is $A$ and blood group of mother is $B$. Then predict the blood group of the progeny -
$ABO$ blood group a good example of