Consider the following statement regarding $ABO$ blood group in human

$I.$ It is controlled by multiple allele

$II.$ It shows codominance

$III.$ Codominance can be manifested phenotypically in human

$IV.$ It follows the Mendel law of inheritance

Which of the following statements (s) are correct?

  • A

    Only $I$ is correct

  • B

    $I$ and $II$ are correct

  • C

    $II$ and $III$ are correct

  • D

    $IV$ and $II$ are correct

Similar Questions

The father has blood group $AB$ and mother $‘O'$. The child is supposed to have which of the following bloodgroups

In short horned cattle, genes for red $(R)$ and white $( r )$ coat colour occur. Cross between red $(RR)$ and white $(rr)$ produced $(Rr)$ roan. This is an example of

Between persons of which two blood groups is the blood transfusion not possible

The genotypes of a husband and wife are $I^AI^B$ and $I^Ai$. Among the blood types of their children, how many different genotypes and phenotypes are possible?

  • [NEET 2017]

The probablity of having a child with blood group $O$ to parents with blood groups $A$ and $B$ is