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?
Only $I$ is correct
$I$ and $II$ are correct
$II$ and $III$ are correct
$IV$ and $II$ are correct
If a human mother has ‘$O$' blood group, the foetus would die if the blood of foetus is
In a medico-legal case of accidental interchange between two babies in a hospital, the baby of blood group $A$ could not be rightly given to a people
If a certain patient with blood group $B$ requires immediate blood transfusion, the following type can be given to him
Identify the wrong statement with reference to the gene $'I'$ that controls $ABO$ blood groups.
Blood group $‘B'$ will have alleles