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Questions  

Father has blood group A and mother's blood group is B. Both are heterozygous. If they have identical twins, the percentage probability of both twins having blood group A is

a
100%
b
50%
c
25%
d
6.25%

detailed solution

Correct option is C

The percentage probability of both the twins having blood group A is 25%. Father - IAiMother - IBiProbable genotypes of identical twins - IAi, IAIB, IBi, ii.

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