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Byju's Answer

Standard XII

Biology

Law of Segregation

If two person...

Question

If two persons with heterozygous A and B blood group marries, then the possibility of genotypes in their progeny are

Only

I^{0}

I^{0}

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Only

I^{A}

I^{B}

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Only

I^{A}

I^{0}

and

I^{B}

I^{0}

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All of the above

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Solution

The correct option is D All of the above
Genotype of person heterozygous for blood group A = AO
Genotype of person heterozygous for blood group B = BO
P generation: AO X BO
Gametes: A O B O
F $_{1}$ generation: AB AO BO OO
Thus, F $_{1}$ generation can have all 4 types of blood groups.

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Similar questions

Q. The gene that codes for proteins present on RBCs has three alleles:

I^{A}

I^{B}

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I^{B}

codes for protein type B, and i codes for the absence of protein.

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and

I^{B}

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Match the following related to phenotypes and genotypes of blood groups
$\begin{matrix} C o l u m n - I & C o l u m n - I I 1. & A & P . & (i i) 2. & B & Q . & I^{A} I^{A}, I^{A} i 3. & A B & R . & I^{B} I^{B}, I^{B} i 4. & O & S . & I^{A} I^{B} \end{matrix}$