- Home
- Standard 12
- Biology
4.Principles of Inheritance and Variation
medium
The $ABO$ blood group are controlled by
A
$I-$gene
B
$c-$gene
C
$B-$gene
D
$n-$gene
Solution
The $ABO$ blood group are controlled by $I$ gene, which have three alleles $\left(I i i A, I^{B}, I^{O}\right) i$
Standard 12
Biology