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

I^{A} I^{A}

and

I^{A} I^{O}

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I^{A} I^{A}

and

I^{O} I^{O}

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I^{O} I^{O}

and

I^{O} I^{O}

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I^{A} I^{O}

and

I^{O} I^{O}

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Solution

The correct option is D $I^{A} I^{O}$ and $I^{O} I^{O}$

The blood groups of children are O and A, so the blood groups of the Parents are also A and O. So the genotypes of the parents are I^AI^A or I^AI^O.
So, the correct option is ‘I^AI^A or I^AI^O’.

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Similar questions

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

Q. A woman is married for the second time. Her first husband was blood type A and her child by that marriage was type O. Her new husband is type B and their child is type AB. What is the women’s ABO genotype and blood type?

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

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

Q. A child has blood group O. If the father has blood group A and mother blood group B, work out the genotypes of the parents and the possible genotypes of the other offsprings.

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

The correct option is D IAIO and IOIO The blood groups of children are O and A, so the blood groups of the Parents are also A and O. So the genotypes of the parents are IAIA or IAIO. So, the correct option is ‘IAIA or IAIO’.

The correct option is D $I^{A} I^{O}$ and $I^{O} I^{O}$

The blood groups of children are O and A, so the blood groups of the Parents are also A and O. So the genotypes of the parents are I^AI^A or I^AI^O.
So, the correct option is ‘I^AI^A or I^AI^O’.