Question

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Answer 1

Answer:

1) 4 blood groups

2) plasma

3) There are many molecules on the surface of red blood cells that vary between individuals, and these form the basis of blood groups. The most commonly recognised of these are the ABO blood groups, and Rh antigens (which are signified by the “positive” or “negative” that comes after A, B or O on your blood type).

4) blood group O

Answer 2

Answer:

1. There are 4 blood groups
2. There are 4 main blood groups defined by the ABO system: blood group A – has A antigens on the red blood cells with anti-B antibodies in the plasma. blood group B – has B antigens with anti-A antibodies in the plasma. bloodgroup O – has no antigens, but both anti-A and anti-B antibodies in the plasma
3. Blood group AB has both A and Bantigens, but no antibodies. Blood group B has B antigens with anti-Aantibodies in the plasma. Blood groupA has A antigens on the red blood cells with anti-B antibodies in the plasma.
4. o is a donotor