Which of the following characteristics is true for the control of blood groups in humans?

  • A
    $I^A$ and $I^B$ are two recessive alleles.
  • B
    Three alleles $I^A$,$I^B$,and $i$ are involved.
  • C
    All three alleles $I^A$,$I^B$,and $i$ are homozygous.
  • D
    All three alleles $I^A$,$I^B$,and $i$ are dominant.

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Similar Questions

$A$ male with heterozygous blood group $B$ and a female with homozygous blood group $A$ have offspring. What are the possible genotypes and phenotypes in their progeny?

What does a gamete contain in a multiple allele system?

Where are multiple alleles found?

If the mother's blood group is '$A$' and the father's blood group is '$AB$',then the possible blood groups of their children will be:

If a child has $O$ type of blood group and the father has $B$ type,the genotype of the father will be:

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