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Evolution of Blood Types
Back in the early days of man, there were only blood type O people. This means the surface of the red blood cells had neither A nor B antigens on it. This has carried down until today, when the vast majority of people are still type O.
Around 20,000BC, a mutation occurred, and some people began to be Blood Type A. These people developed an A membrane or antigen on the surface of their blood cells. This blood type became common in central Europe as well as Scandanavia. Many feel this change occurred when farming became common in those areas.
The next change was around 10,000BC. This is when some people developed a Type B membrane on their blood cells. This change took place in Asia and Japan, and biologists are not sure what encouraged this change to take place.
It was not until around the 1500s that the A groups and B groups began to mix as travel became more and more common. This formed the AB blood type, which is most common now in northern India, even though it is still the rarest of the four main blood types. Only 5% of US residents are blood type AB.
Originally posted by Witness2008
reply to post by Dock6
Myself and all of my children are o-, each displays one or more of the various traits. But my oldest has dark brown eys, dark hair and a deeper compexion thanb the rest, however she has the most of all the traits listed. This topic has so many variables and to be honest I think the scientic, medical community knows more than they are letting on.
Landsteiner observed two distinct chemical molecules present on the surface of the red blood cells. He labeled one molecule "A" and the other molecule "B." If the red blood cell had only "A" molecules on it, that blood was called type A. If the red blood cell had only "B" molecules on it, that blood was called type B. If the red blood cell had a mixture of both molecules, that blood was called type AB. If the red blood cell had neither molecule, that blood was called type O.
If two different blood types are mixed together, the blood cells may begin to clump together in the blood vessels, causing a potentially fatal situation. Therefore, it is important that blood types be matched before blood transfusions take place. In an emergency, type O blood can be given because it is most likely to be accepted by all blood types.
The really creepy part of the RH negative blood is its connecttion to royal blood, aryan blood, the clean blood talked of in several places in the bible,