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4.Principles of Inheritance and Variation
medium
The father has blood group $AB$ and mother $‘O'$. The child is supposed to have which of the following bloodgroups
A
$‘A'$ or $‘B'$
B
$‘A'$ only
C
$‘B'$ or $‘O'$
D
$B$ only
Solution
(a)When the blood group of one parent is $AB$ and that of other is $O$ then the child may have blood group either $‘A’$ or $‘B’$ as blood group $‘O’$ has no dominant genes for antigens.
Standard 12
Biology