$ABO$ 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]
- A
Six
- B
Three
- C
Four
- D
Five
Similar Questions
What percentage of homozygous $R h^{-i i}$ will be born amongst four children of a couple where the husband is heterozygous for $R h^{+i i}$ and wife is homozygous for $R h^{-i i}$ gene?
What percentage of homozygous $R h^{-i i}$ will be born amongst four children of a couple where the husband is heterozygous for $R h^{+i i}$ and wife is homozygous for $R h^{-i i}$ gene?
A child with mother of $O$ blood group and father of $A$ blood group, will have the following blood group.
A child with mother of $O$ blood group and father of $A$ blood group, will have the following blood group.
$A$ : Blood group phenotype is controlled by presence or absence of antigens present on surface coating of $RBC$.
$R$ : These antigens are of three types and found in the oligosaccharides rich head regions of a glycophorin
$A$ : Blood group phenotype is controlled by presence or absence of antigens present on surface coating of $RBC$.
$R$ : These antigens are of three types and found in the oligosaccharides rich head regions of a glycophorin
For a child having blood group $B$, if father has blood group $A$, what may be the blood group of the mother
For a child having blood group $B$, if father has blood group $A$, what may be the blood group of the mother
When dominant and recessive alleles express themselves together, it is called
When dominant and recessive alleles express themselves together, it is called
- [AIPMT 2001]