A gene showing codominance has
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 ?
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
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 ?
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
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?
$ABO$ 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]