A gene showing codominance has

  • [NEET 2015]
  • A

    alleles that are recessive to each other

  • B

    both alleles independently expressed in the heterozygote

  • C

    one allele dominant on the other

  • D

    alleles tightly linked on the same chromosome.

Similar Questions

In the $ABO$ system, of blood group which of the following is example of co-dominance ?

Mother and father both have blood group $‘A’$. They have two children one with blood group $‘O’$ and second one with blood group $‘A’$. They have

  • [AIIMS 2009]

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

  • [NEET 2019]

If a human mother has ‘$O$' blood group, the foetus would die if the blood of foetus is

$ABO$ blood grouping is controlled by gene I which has three alleles and show co­dominance. There are six genotypes. How many phenotypes in all are possible?

  • [AIPMT 2010]