The offspring produced from a marriage have only O or A blood groups. Of the genotypes given below, what would be the possible genotypes of the parents?

^{A}

^{A}

and I

^{A}

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II and ii

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^{A}

^{A}

and ii

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^{A}

I and ii

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Solution

The correct option is B I $^{A}$ I and ii
If the offspring produced from a marriage have only O or A blood groups then the possibility of parents having genotype for B and AB blood group is not valid. One of the parents is heterozygous hence resulting in 50 percent frequency of either A or O genotype. Thus, the correct answer is option D.

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Similar questions

Q. Offspring produced from a marriage have only O and A blood groups. The possible genotypes of the parents would be

Q. Complete the given table showing different possibilities of genotypes and heir corresponding blood group, by selecting the correct, option.

Genotypes	Blood groups
$I^{A} I^{A},$ (i)	A
$I^{B} I^{B}$ (ii)	B
(iii)	AB
(iv)	O

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Q. A person having

I^{A} i

genotype can receive blood from which of the following donor genotypes?

i.

I^{A} I^{A}

ii.

i i

iii.

i i

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iv.

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A pregnant woman has an equal chance of her baby being blood group A or blood group AB. Which one of the following shows the possible genotypes of the woman and the father of her child ?

(a) $I^{A} I^{A} a n d I^{B} I^{O}$ (b) $I^{A} I^{B} a n d I^{B} I^{O}$ (c) $I^{A} I^{O} a n d I^{B} I^{O}$ (d) $I^{A} I^{B} a n d I^{A} I^{O}$

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