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The ABO blood group is a classification of blood depending on the presence of how many antigens?

The ABO blood group is a classification of blood depending on the presence of how-example-1
The ABO blood group is a classification of blood depending on the presence of how-example-1
The ABO blood group is a classification of blood depending on the presence of how-example-2
The ABO blood group is a classification of blood depending on the presence of how-example-3

1 Answer

2 votes

Answer:

a. two

Step-by-step explanation:

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