What does blood type K mean?

The K antigen (colloquially called Kell) was first detected in the 1940s as a result of a woman without the K antigen on her red blood cells being pregnant with a baby with the K antigen on the red blood cells.

What does it mean to be Kell negative?

Failure to do so constitutes negligence. Roughly 90% of the population (males and females) are Kell negative, meaning they don’t have the antibodies, while 10% are Kell positive. Accordingly, there is a high likelihood that when a mother and father conceive a child, that fetus will be Kell negative.

How rare is Rh negative blood?

In the United States, approximately 85% of the population has an Rh-positive blood type, leaving only 15% with Rh negative.

What blood types can receive O positive?

O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are positive (A+, B+, O+, AB+). Over 80% of the population has a positive blood type and can receive O positive blood. That’s another reason it’s in such high demand.

What does it mean to be O positive blood type?

Definition of O Positive. As explained earlier, the O-positive type is the kind which has all the three types of antigens present in them. This type is also known as Rhesus positive. This is one of the most common forms of blood in the world and majority people have this type in them because of the composition.

How many people have O Negative blood type?

However, O negative blood type is relatively rare compared to the other blood types. It is only present in 1 out of 15 individuals. This means approximately 6.6% of the population has O negative blood.

What is unique about O Negative blood type?

People with type O blood have some unique characteristics. People with type O blood do not have A or B antigen proteins on their red blood cells. Individuals having O negative blood do not have the Rh factor while people with O positive blood are Rh positive. Type O blood is a great resource in times of emergencies.