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If you have type O blood, your blood can be given to anyone. You are called a universal blood donor

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Q: Why is human blood type o so special?
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How many alleles are there for blood type-?

There are three alleles for blood type: IA=Blood type A IB=Blood type B i=Blood type O The alleles for blood type A and B are codominant so when someone contains the IA and IB alleles, their blood type is AB.


Are there pros to having type A blood?

There are no special benefits to having one particular blood type. The only possible advantage to having a specific blood type is the fact that it may be more common, so, transfusions and such will be much easier to come by.


Aaron has blood type O. Can either of his parent have blood type AB?

no, blood type AB has gennotype IA,IB while blood type o has the genotype II. Each of his parents passed on an allele,So neither could have blood type AB


What does it mean when someone has the blood type A?

Everyone is born with a different blood type, and what determine blood type are antigens present on your Red Blood cells in your body. These Antigens or in simple term markers tell the body that this is a cell from this body so they don't destroy it. Your blood type A, has a special antigen/marker which are different from other blood type, so this means you can only accept and give blood to people who have the same blood type that way the body won't take the cells as an invasion and attack it.


WHat makes O blood type so special?

Type O is the universal donor and that is able to be given to anyone with or without that blood type. It can also receive plasma from all the other blood types, but yet only O donors can receive blood from each other.


What is type B blood?

Human blood contains antigens. Antigens can make one person allergic to the blood from another person. There are two main antigens, A and B. A person without either has type O blood. So a person can have type A blood, type B, or type O. Also a person can have a combination of A and B antigens and have type AB blood. In addition blood has an Rh factor, which can be positive or negative. So a person can be A positive or A negative, O positive or O negative, and so forth. B+ simply means a person has type B blood and is Rh positive.


What is b plus blood type?

Human blood contains antigens. Antigens can make one person allergic to the blood from another person. There are two main antigens, A and B. A person without either has type O blood. So a person can have type A blood, type B, or type O. Also a person can have a combination of A and B antigens and have type AB blood. In addition blood has an Rh factor, which can be positive or negative. So a person can be A positive or A negative, O positive or O negative, and so forth. B+ simply means a person has type B blood and is Rh positive.


What are the major blood type in human?

Their are actually a few different types of blood a human can have. These are the different types: - A - B - AB - O Information Source:http://en.wikipedia.org/wiki/ABO_blood_group_system


What is so special about the human finger print?

the human finger print are all different so every human can be indenified by it


What blood type is Professor Remus Lupin O A B or AB?

Because of the blood type diet, Remus has type O+ blood and the diet for the type O+ or O- contains lots of meat, and Remus is a werewolf, werewolves eat human meat!! SO YEAH, HE IS O+!!


Why does the human heart have 4 chambers?

So the blood can be fully cleaned and filled with oxygen so the human body can use the blood again


Can a mother with A- blood and father with A -blood type have a baby with O-type blood?

No i dont think so