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Actually O negative is the universal donor. Type O blood does not have either A or B antigen and as such will not be rejected by a new recipient. Negative refers to the fact that the cells do not express the Rh factor. If O positive blood were to be given to an O negative person it could be very detrimental. Type O negative blood basically has none of the antigens or factors that can trigger a reaction. Conversely type AB positive blood type is referred to as a universal recipient. These people have blood cells with both the A and B antigens and they express the Rh factor and as such any blood type they receive will be tolerated by their systems.

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15y ago
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10y ago

O negative would technically be the universal donor since they don't produce anti-A or anti-B (which would react with and coagulate type A and type B blood respectively). Since they are Rh negative they also don't express proteins on their cell surface which would react with those expressed on a RH positive cell, at least not too much.

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13y ago
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13y ago

Individuals with blood type O- are considered universal donors meaning they can donate their blood to any individuals of the blood groups (A, B, AB, and O). However, blood type O- individuals can only receive blood from another type O- individual.

Blood type O+ is not considered another universal donor, because of Rh factor, which marks blood as + or -. A person with negative-Rh blood CANNOT receive from a person with positive-Rh blood, so O+ can only donate to O+, A+, B+ and AB+.

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13y ago

O negative is the universal donor blood type.

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13y ago

Yes. O negative can donate to anyone, O positive can receive blood from anyone. The other groups can only receive blood from their group or O negative.

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10y ago

O-negative is the universal donor.

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13y ago

No. O negative is the universal donor.

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3y ago

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Q: Which blood group is universal donor O positive or O negative?
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Related questions

Is O positive blood universal blood?

No. O negative is the universal donor.


Which blood type is the universal blood type?

Type O negative blood is a universal donor blood type. In normal circumstances, anyone can receive type O negative blood in a transfusion. When it comes to plasma donation, type AB positive is a universal donor.


is A positive blood a universal donor type?

O negative is the universal donor because when O+ve blood group is transfused to -ve blood group recipient, antibodies are produced which causes hemolysis of Rh +ve labelled blood cells. When O-ve blood is transfused to Rh +ve recipient, no antibodies are produced as donor blood has no Rh factor present on blood cells, so no transfusion reaction occurs. Thus, O -ve is universal donor.


Is O positive blood type can transfuse to anyone?

O negative is the universal donor.


What type of blood can A blood safely receive?

Type A or Type O Negative can give to positive Positive can not give to negative


What if your blood group is B positive can you receive O negative blood?

Yes, O negative blood is the universal donor, so if you're B positive or have any other blood type, you can receive O negative blood.


Should types negative and positive blood types be considered in donating and receiving blood?

Of course! Type O- is the universal donor and AB+ is the universal recipient.


What is the unversal donor blood type?

Type O negative.


Can blood type 0 donate to anyone?

If you have type o negative then you are the universal donor and could donate to any other blood type. If you have o positive then you would be limited in what blood types you could donate to.


What blood type is rare when donating blood?

O positive is the most common blood type. O negative is the rarest donor because it is the rarest type of blood and is often referred to as the "universal donor."


What blood known as the universal donor?

O negative


Universal blood recipient?

If you are AB positive (AB+ is universal receiver for positive blood group) then you can receive blood from A+, B+ & O+ & if you are AB negative then you cn receive blood from A-, B- & O-.