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4.Principles of Inheritance and Variation
medium
Mother $B$ homozygous, father $A$ unknown, therefore, possible blood group in progeny is
A
$AB$ and $B$ possible
B
$AB$ and $A$ possible
C
$A$ and $B$ possible
D
$O$ possible
Solution
Thus, possible groups are $: AB$ and $B$.
Standard 12
Biology
