(A) The blood group $A$ can have genotypes $I^A I^A$ or $I^A i$. The blood group $B$ can have genotypes $I^B I^B$ or $I^B i$.If the male is $I^A i$ an

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$I^A i$ (Male) : $I^B I^B$ (Female)

(A) The blood group $A$ can have genotypes $I^A I^A$ or $I^A i$. The blood group $B$ can have genotypes $I^B I^B$ or $I^B i$.If the male is $I^A i$ and the female is $I^B I^B$,the possible offspring genotypes are $I^A I^B$ (blood group $AB$) and $I^B i$ (blood group $B$).This matches the given progeny blood groups ($AB$ or $B$).Therefore,the correct genotype for the parents is $I^A i$ (Male) and $I^B I^B$ (Female).

Class 12 Biology Principles of Inheritance and Variation Multiple alleles

Medium

In a marriage between a male with blood group $A$ and a female with blood group $B$,the progeny had either blood group $AB$ or $B$. What could be the possible genotype of parents?

NEET 2019 All NEET

A
$I^A i$ (Male) : $I^B I^B$ (Female)
B
$I^A I^A$ (Male) : $I^B I^B$ (Female)
C
$I^A I^A$ (Male) : $I^B i$ (Female)
D
$I^A i$ (Male) : $I^B i$ (Female)

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Principles of Inheritance and Variation

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Multiple alleles

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Genes located on homologous chromosomes for the same trait are called.....

Medium

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In humans,the $ABO$ blood group is controlled by the $I$ gene. It has three alleles: $I^A$,$I^B$,and $i$. Although there are three different alleles,six different genotypes are possible. How many phenotypes are observed in this case?

Medium

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$ABO$ blood grouping in humans is controlled by the gene $I$. It has three alleles: $I^A, I^B,$ and $i$. Due to these three different alleles,six different genotypes are possible. How many phenotypes can be formed from these?

Medium

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Even if a character shows multiple allelism,an individual will only have two alleles for that character. Why?

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In humans,how many genotypes and phenotypes are produced by the three different alleles of the $ABO$ blood group system?

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In a marriage between a male with blood group $A$ and a female with blood group $B$,the progeny had either blood group $AB$ or $B$. What could be the possible genotype of parents?

Similar Questions

Genes located on homologous chromosomes for the same trait are called.....

In humans,the $ABO$ blood group is controlled by the $I$ gene. It has three alleles: $I^A$,$I^B$,and $i$. Although there are three different alleles,six different genotypes are possible. How many phenotypes are observed in this case?

$ABO$ blood grouping in humans is controlled by the gene $I$. It has three alleles: $I^A, I^B,$ and $i$. Due to these three different alleles,six different genotypes are possible. How many phenotypes can be formed from these?

Even if a character shows multiple allelism,an individual will only have two alleles for that character. Why?

In humans,how many genotypes and phenotypes are produced by the three different alleles of the $ABO$ blood group system?

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