a child has blood group O. If the father has blood group A and mother blood group B, Work out the genotypes of the parents and the possible genotypes of the other offspring.
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this is not possible. bcoz if the father have 'A' and the mother have 'B' . the child must have 'A' or 'B' not another blood group...
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O =Io Io
A =Ia Io
B =Ib Io
A × B
Ia Io× Ib Io
(crossing the A and B group)
1.IaIb 2.IaIo 3.IoIb 4.IoIo
1.(AB) 2.(A) 3.(B) 4.(O)- blood Group
So there is 4 possible genotype of other offsprings.
Note: Ia & Ib are dominant and Io is recessive.
A =Ia Io
B =Ib Io
A × B
Ia Io× Ib Io
(crossing the A and B group)
1.IaIb 2.IaIo 3.IoIb 4.IoIo
1.(AB) 2.(A) 3.(B) 4.(O)- blood Group
So there is 4 possible genotype of other offsprings.
Note: Ia & Ib are dominant and Io is recessive.
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