A) ii, blood type 0
B) \[{{I}_{B}}{{I}_{O}},\]blood type B
C) \[{{I}_{A}}{{I}_{B}},\]blood type AB
D) \[{{I}_{B}}i,\]blood type A
Correct Answer: C
Solution :
First husband of Asha had A blood group and their child had 0 blood group and the genotype of A blood group is\[{{I}^{A}}{{I}^{A}}\]or\[{{I}^{A}}{{I}^{0}}\]and\[O\]blood group is\[{{I}^{O}}{{I}^{O}}\]. Genotype of AB (second child) blood group\[{{I}^{A}}{{I}^{B}}\]or\[{{I}^{B}}{{I}^{O}}\]. When child group is 0 and one parent blood group is A, then possible blood group of another parent are B and 0. While in second case when child blood group is AB and father blood group is B, then the possible blood group of mother is A and AB. So mother blood group is AB with\[{{I}^{A}}{{I}^{B}}\]with \[{{I}^{A}}{{I}^{B}}\]genotype.| \[{{I}^{A}}\] | \[{{I}^{O}}\] | |
| \[{{I}^{B}}\] | \[{{I}^{A}}{{I}^{B}}\] | \[{{I}^{B}}{{I}^{O}}\] |
| \[{{I}^{O}}\] | \[{{I}^{A}}{{I}^{O}}\] | \[{{I}^{O}}{{I}^{O}}\] |
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