Children in a family have blood types O, A, AB and B respectively. What are the genotypes of their parents

I^{A} i

and

I^{B} i

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I^{A} I^{B}

and

i i

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I^{B} I^{B}

and

I^{A} I^{A}

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I^{A} I^{A}

and

I^{B} i

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Solution

The correct option is A $I^{A} i$ and $I^{B} i$

The blood groups of the parents is A and B, their genotypes are I^AI^O and I^BI^O. The blood groups of the children are A or B or AB or O.
So, the correct option is ‘I^AI^O and I^BI^O’.

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Similar questions

Q. The genotypes of a husband and wife are

I^{A} I^{B}

and

I^{A}

i respectively. Among the blood types of their children, how many different genotypes and phenotypes are possible?

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Q. Four children belonging to the same parents have the following blood groups A, B, AB and O. Hence, the genotypes of the parents are

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

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Children in a family have blood types O, A, AB and B respectively. What are the genotypes of their parents

The correct option is A IAi and IBi The blood groups of the parents is A and B, their genotypes are IAIO and IBIO. The blood groups of the children are A or B or AB or O. So, the correct option is ‘IAIO and IBIO’.

The correct option is A $I^{A} i$ and $I^{B} i$

The blood groups of the parents is A and B, their genotypes are I^AI^O and I^BI^O. The blood groups of the children are A or B or AB or O.
So, the correct option is ‘I^AI^O and I^BI^O’.