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More than just two blood types are not compatible with each other. The four basic types of blood are: A, B, AB, O(not counting Rh). Type A blood can only receive blood from type A and type O. However, type A blood can donate their blood to type A and type AB. Type B blood can only receive blood from type B and type O. However, type B blood can donate their blood to type B and type AB. Type AB blood can receive blood from every type, A, B, AB, and O. However, type AB blood can only donate to other AB. Type O blood can only receive blood from type O. However, type O can donate their blood to A, B, AB, and O.

So, AB is the "universal" reciepient and O is the "universal" donor.

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Q: What two blood types are not compatible?
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Which blood types are compatible I have no clue and need help.?

O- is compatible with donating to all blood types. AB+ is compatible with receiving from all blood types. All other blood types are on their own with compatibility.


Is blood type o compatible with blood type rh positive?

Yes, two blood types that are the same are compatible for donation. Either can give or receive blood from the other.


Is rh negative blood compatible with o positive?

can two o positive blood types make an RH Negitive baby


Are all blood types compatible?

When the body encounters types of blood it is not familiar with, it makes antibodies to attack it. That's why O- is the universal donor. O means it has neither A or B components, and the negative means it does not have specific receptor proteins on it. That's also why someone AB+ can have any type of blood, because the body is used to A components, B components, and receptor proteins.


What blood types are compatible with A negative blood?

The blood type that is compatible with A negative blood are -A and AB-. O+ is compatible, but should only be used in life-threatening emergency. The same should be take in effect for A+


What would happen if you were given the wrong type of blood?

This depends on your blood type and the blood type you are given. Blood types are actually much more complex then the ABO, Rh pos system. These are only they types most likely to cause a reaction. Blood transfusion can be very dangerous. Before a transfusion, a test called a crossmatch is performed to see if the two blood types are compatible. Even if the ABO, and Rh types are the same, the blood may not be compatible.


What are the compatiable blood types?

I believe type O blood is the one blood type that can be matched to any of the other blood types. There is one type of blood, though, that is not compatible with type O blood. However, that is very rare.


Is O negative compatible with O positive?

type o is compatible with all blood types


Which was not a result of the 1898 discovery of the four blood types?

all blood types made compatible with each other


Which bloods are the most compatible?

O- is compatible with any blood type (giving to that type) AB+ can receive any blood. Other blood types are only compatible with themselves and not each other.


What other blood groups is o positive compatible with?

Type O+ blood is compatible with AB, A+, B+, and O+ blood types. That is, if your blood type is O positive, you can receive AB, A positive, B positive, and O positive blood types.


What is blood type compatibility?

You are compatible with your own blood type and type O, unless you are type AB, then you are compatible with A, B, AB and O. It's important to have compatible blood types especially during pregnancy.