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Where are there positive and negative blood types? Why do humans have two eyes? Why is there life on Earth?

It is all part of natural evolution, so the short answer to your question would be:

'Because there are'.

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14y ago
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14y ago

The Positive vs. Negative system refers to the Rh blood group system. The Rh blood group system currently consists of 50 defined blood group antigens among which the 5 antigens D, C, c, E, and e are the most important ones. When blood is referred to as positive, it contains the D antigen; when it is referred to as negative, it lacks the D antigen. The D antigen is not necessary for survival.

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12y ago

Something called the "Rhesus Factor". If you have the Rhesus Factor, your blood is "positive". If you don't have it, you are Rhesus Negative.

If someone belongs to the B blood group, you would see medical notes recording B Rh Neg or B Rh Pos.

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12y ago

Positive and negative are the different blood types that people have. Each person has a different type of blood, O positive and O negative are the most common.

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Q: What is meant by positive or negative blood type?
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Related questions

What does blood type OE stand for?

There is no blood type OE. There are 8 different blood types, A positive and negative, B positive and negative, O positive and negative, and AB positive and negative.


What is the difference between positive and negative b blood type?

Human blood has a protein (rH). If you have rH in your blood you have positive blood type, if you are lacking rH you have a negative blood type. Negative blood rejects positive blood because it is lacking the chemical, however positive blood can accept both negative or positive blood.


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


Can a woman with blood type O-positive and a man with blood type O-positive have a blood type A-positive child?

Yes. My mother is O positive and my father is O negative and I am O negative


Can a person that has o positive blood and a person with a positive blood make a child that has a negative blood?

CAN TWO POSITIVE BLOOD TYPES MAKE a negative blood type


Can a man with blood type a negative have a child with a lady with blood type a positive?

Yes. My mother is O positive and my father is O negative and I am O negative


If the mother has B positive blood and the father has O negative what would the child's blood type be?

B positive or negative or, O positive or negative.


If you have a mom with blood type A plus and a dad with blood type A plus what blood types could you have?

You could be A positive, A negative, O positive or O negative.


Can negative blood type parent and positive blood type parent have an Rh negative blood type child?

yes, absolutely


Can a parent with O negative blood type and a parent with A positive blood type have a baby with O positive blood type?

Of course!


What is blood type A positive plus A negative equal?

A positive


Is it possible that mother have ab posotive blood type and the father have o positive what would be the off spring?

With a mother with AB Positive blood type and a father with an O Positive blood type, there are four possibilities for the offspring's blood type. The child of this pairing could have A positive or negative, or B positive or negative type blood.