$ABO$ blood groups are controlled by the gene:

  • A
    $ABO$
  • B
    $O$
  • C
    $I$
  • D
    $i$

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Similar Questions

In which of the following can multiple alleles be observed?

$ABO$ 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?

Explain the concept of multiple alleles.

Mother is homozygous for blood group $B$,and father has blood group $A$ (genotype unknown). Therefore,the possible blood groups in the progeny are:

$A$ man with blood group $A$ marries a woman with blood group $AB$. Which type of offspring would indicate that the man is heterozygous for blood group $A$?

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