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
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]
Identify the wrong statement with reference to the gene $'I'$ that controls $ABO$ blood groups.
Identify the wrong statement with reference to the gene $'I'$ that controls $ABO$ blood groups.
- [NEET 2020]
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]
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 $C$
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 $C$
$ABO$ 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?
$ABO$ 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?
- [AIPMT 2010]