Identify the wrong statement with reference to the gene $I$ that controls $ABO$ blood groups.

  • A
    Allele $i$ does not produce any sugar.
  • B
    The gene $I$ has three alleles.
  • C
    $A$ person will have only two of the three alleles.
  • D
    When $I^{A}$ and $I^{B}$ are present together,they express same type of sugar.

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Similar Questions

Define/Explain: Multiple Allelism.

The plasma membrane of the red blood cells has ...$A$... polymers that protrude from its surface and the kind of sugar is controlled by the gene. The gene $I$ has three alleles ...$B$... The alleles and produce a slightly different form of the sugars,while allele $i$ doesn't produce any ...$C$...
Choose the correct option for $A, B$ and $C$.

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

How many phenotypes and genotypes are possible in $ABO$ blood group systems?

In which of the following phenomena can both dominance and codominance be observed?

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