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4.Principles of Inheritance and Variation
medium
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
Solution
$ABO$ blood group is an example of codominance because both allele express themself and is govern by multiple allele means it is controlled by more than two allele. $ABO$ blood group system or $A, AB, B$ and $O$ blood group of human cannot judge by using physically the human individual
Standard 12
Biology
