Blood Groups : It is the grouping
of people whose blood may be mixed without clumping of blood vessels. A, B, AB
and O are the main four groups. The group AB can receive any blood and is
called universal receiver. The group O can be given to any group (universal
donor), group A can receive only A (besides O), B can receive only B (besides
0) and O can receive O. These groups were identified by Karl Ladsteiner.
- Group AB may give blood to AB.
- Group A may give blood to A and AB.
- Group B may give blood to B and AB.
- Group O is universal donor for all groups.
Recipients of Blood
- Group A B is universal recipient.
- Group A may receive blood from group A and 0
- Group B may receive blood from group B and O.
- Group O may receive blood from group O.
Majority of the people around the world have type O positive
blood.
A + 34%
A - 6%
B + 8%
B - 1%
AB + 3%
AB - 1%
O + 40%
O - 7%
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