Gujarati
4.Principles of Inheritance and Variation
medium

The probablity of having a child with blood group $O$ to parents with blood groups $A$ and $B$ is

A

$4$ out of $4$

B

$3$ out of $4$

C

$2$ out of $4$

D

$1$ out of $4$

Solution

(d)Since the blood groups of parents are $A$ and $B$, therefore their genotypes are $AO$ and $BO$ so the possible genotypes of their children are $AO, BO, AB$ and $OO$ i.e. the possible blood groups are $A, B, AB$ and $O$.

Standard 12
Biology

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