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4.Principles of Inheritance and Variation
medium
If one parent belongs to $‘A'$ blood group and the other to $‘O'$ blood group, their children possibly represent
A
$A$ and $B$ groups only
B
$AB$ only
C
$A$ and $O$ groups only
D
All four groups
Solution
(c)Children with parents having blood groups $A$ and $O$ will have blood groups either $A$ or $O$.
Standard 12
Biology