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4.Principles of Inheritance and Variation
normal
A person with blood group$-A$ has
A
Antigen$-A$ and Anti$-B$ Antibodies
B
Antigen$-B$ and Anti$-A$ Antibodies
C
Both antibodies
D
No antibody and no antigen
Solution
Blood group$-A$ has antigen-$A$ on the surface of $RBC$ and forms Anti -$B$ antibodies.
Standard 12
Biology