Blood Type Heritage

March 23, 2021

There are four main blood types. The ab blood type has both a and b antigens and the o blood type has neither a nor b antigen.

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The discovery of blood types allowed modern transfusions to safely take place.

Blood type heritage. The 8 main blood types belonging to the abo and rhesus systems are seen everywhere around the world. Statistics from the american red cross show that the following are the most rare forms of the. O a b and ab and two th factors positive or negative.

The least common blood type in the u s. About 63 of humans share it. Blood types and ethnicity.

Blood typing blood groups around the world and the genetics of blood types are discussed in this article. By the time you are six months old you naturally develop antibodies against the antigens your red blood cells lack. One minor blood type that does have medical significance is the duffy blood group.

These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. Well almost everywhere since some countries beg for blood donors of certain types. It also is relatively high among australian aborigines and in western europe especially in populations with celtic ancestors.

My mom was ab positive. Physicians attempted the use of milk and animal blood as an alternative to human blood but met with limited success. Type o is particularly high in frequency among the indigenous populations of central and south america where it approaches 100.

Jun 15 2020 at 12 42 am i m ab negative. My dad was o negative. For instance a person with a blood type will have anti b antibodies and a person with b blood type will have anti a antibodies.

Prior to the discovery of blood groups blood transfusions were often deadly. 21 thoughts on blood type and alien heritage sheila murrey says. Because blood types are genetic they are inherited from the parents blood types have different racial and ethnic differences.

Plasmodium vivax one of the parasites that causes malaria latches onto the duffy antigen when it invades. I was the only child they had out of 6 pregnancies who lived in the early 60s and the hospital didn t even type mom s blood until she d lost two babies and then. Contrary to what you may expect the distribution differs in every corner of the globe according to many ethnic and racial analyses done throughout.

The o blood type usually resulting from the absence of both a and b alleles is very common around the world. This list concerns blood type distribution between countries and regions blood type also called a blood group is a classification of blood based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells rbcs. Most people are either a positive or o positive and the fewest are ab negative.

Is ab with less than 1 of the population having this type.

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