As per mathrm{ABO} blood grouping system, blood group of father is mathrm{B}^{+} , mother is mathrm{

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4.Principles of Inheritance and Variation

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As per $\mathrm{ABO}$ blood grouping system, the blood group of father is $\mathrm{B}^{+}$, mother is $\mathrm{A}^{+}$and child is $\mathrm{O}^{+}$. Their respective genotype can be

Choose the most appropriate answer from the options given below :

A

$B$ only

B

$C, B$ only

C

$D, E$ only

D

$A$only

(NEET-2024)

Solution

Genotype of father with blood group $B^{+}=\left.\right|^{B_i / /\left.\right|^B}$

Genotype of mother with blood group $A^{+}=\mid A_i / i^A$

Genotype of child with blood group $\mathrm{O}^{+}=$ii

Hence only ' $A$ ' is correct.

Standard 12

Biology

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