Question:

As per ABO blood grouping system, the blood group of father is $B^+$ , mother is $A^+$ and child is $O^+$. Their respective genotype can be
A. $I^B i/I^A i/ii$
B. $I^B I^B /I^A I^A /ii$
C. $ I^A I^B /iI^A /I^B i$
D. $I^A i/I^B i/I^A i$
E. $iI^B /iI^A /I^A I^B$
Choose the most appropriate answer from the options given below :

Updated On: Dec 2, 2024
  • A only
  • B only
  • C & B only
  • D & E only
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The Correct Option is A

Solution and Explanation

- The father’s blood group is B+, which indicates his genotype is likely IBi or IBIB.

- The mother’s blood group is A+, which indicates her genotype is likely IAi or IAIA.

- The child’s blood group is O+, which indicates their genotype must be ii, as O type individuals are homozygous for the O allele. 

Thus, the correct genotypes are: Father- IBi, Mother- IAi, Child- ii.

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