what is caucasian blood
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Explanation:
The hematocrit, hemoglobin, MCV, TS, and white blood cell counts of ... transferrin saturation and iron stores in the African American and US Caucasian populations: analysis of data ...
Answer:
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Explanation:
Statistics from the American Red Cross show that the following are the most rare forms of the major eight blood types in the U.S.:
African American: 0.3% AB-negative, 1% B-negative, and 2% A-negative
Latin American: 0.2% AB-negative, 1% B-negative, and 2% both A-negative and AB-positive
Asian: 0.1% AB-negative, 0.4% B-negative, and 0.5% A-negative
Caucasian: 1% AB-negative, 2% B-negative, and 3% AB-positive
A and B antigens only represent two of approximately 600 other known antigens that can differentiate blood types. It is important to make a distinction between the rarest of the eight most common blood types and the extremely rare subtypes.
Having an antigen that most people do not have, or missing an antigen that most people do have, means that an individual has a rare blood type. According to the International Society of Blood Transfusion, if only 1 in 500 people are missing the same antigen as an individual, their blood type is rare. If only 1 in 1,000 people lack it, the individual’s blood type is very rare.
In addition, scientists have identified 36 different blood group systems, some of which can cause problems with blood transfusions.
Some of these rare blood types and blood group systems are distinctly more common in certain ethnic groups. The American Red Cross data below list the rare blood type and the ethnic group in which it is most common:
African American: U-negative and Duffy-negative blood types
Native American and Alaskan native: RzRz, also known as Rhnull or “golden blood”
Pacific Island and Asian: JKnull blood type
Hispanic: Diego b-negative blood type
East European and Russian Jewish: Drori a-negative blood type
Caucasian: Kell b-negative and Vel-negative blood types
Some of these blood types are extremely rare. For instance, researchers estimate that just 1 in 6 million people have the RzRz blood type.
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