A man with blood group ‘A’ marries a woman with blood group ‘B’ . What are a

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4.Principles of Inheritance and Variation

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A man with blood group $‘A’$ marries a woman with blood group $‘B’$. What are all the possible blood groups of their offsprings?

$A, B, AB$ and $O$

$O$ only

$A$ and $B$ only

$A, B$ and $AB$ only

(NEET-2015)

Solution

(a): The man has blood group $A$, thus its genotype can either be $I^AI^A$ or $I^AI^O$. Similarly, woman can either have $I^BI^B$, or $I^BI^O$ genotype. Thus, their offspring can have any of the blood groups $A$ $(I^AI^A$ or $I^AI^O)$, $B$ $(I^BI^B$ or $I^BI^O)$, $AB$ $(I^AI^B)$ or $O$ $(I^OI^O).$

Standard 12

Biology

$ABO$ blood group a good example of

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Between persons of which two blood groups is the blood transfusion not possible

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If one parent has blood group $A$ and the other parent has blood group $B$, the offsprings have which blood group

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$ABO$ blood groups in humans are controlled by the gene $I$. It has three alleles $ I^A, I^B$ and $i$. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

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(AIPMT-2010)

$A$ : Blood group phenotype is controlled by presence or absence of antigens present on surface coating of $RBC$.
$R$ : These antigens are of three types and found in the oligosaccharides rich head regions of a glycophorin

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A man with blood group $‘A’$ marries a woman with blood group $‘B’$. What are all the possible blood groups of their offsprings?

Solution

Similar Questions

$ABO$ blood group a good example of

Between persons of which two blood groups is the blood transfusion not possible

If one parent has blood group $A$ and the other parent has blood group $B$, the offsprings have which blood group

$ABO$ blood groups in humans are controlled by the gene $I$. It has three alleles ­$ I^A, I^B$ and $i$. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

$A$ : Blood group phenotype is controlled by presence or absence of antigens present on surface coating of $RBC$. $R$ : These antigens are of three types and found in the oligosaccharides rich head regions of a glycophorin

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$ABO$ blood groups in humans are controlled by the gene $I$. It has three alleles $ I^A, I^B$ and $i$. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

$A$ : Blood group phenotype is controlled by presence or absence of antigens present on surface coating of $RBC$.
$R$ : These antigens are of three types and found in the oligosaccharides rich head regions of a glycophorin