QUESTIONS ABOUT :

Blood Types Percentage in Populatio...

about 3% apparently. Source(s): http://www.blood.co.uk/about-blood/blood…
http://uk.answers.yahoo.com/question/index?qid=201...
No one has done that research so far for USA. According to ethnic distribution, Shompen of Nicobar islands in the republic of India have the least population with blood type A.
http://www.answerbag.co.uk/q_view/506949
40 out of 100 people have the O+ blood type
http://www.answerbag.co.uk/q_view/825172
I could only find the O´s, not specifically negative or positive, though: Bororo (Brazil), Mayas, Peru (Indians), Shompen (Nicobars) Scroll down to bottom of page in this link: htt...
http://uk.answers.yahoo.com/question/index?qid=201...
The ABO and Rhesus blood group systems are examples of what are called a genetic polymorphisms. They are different genetic forms that exist at the same lous. ABO is one polymorphis...
http://uk.answers.yahoo.com/question/index?qid=200...
Useful sites about:

Blood Types Percentage in Populatio...

The most important blood groups in transfusion are the ABO blood group system and ... ABO Blood Group, Rh(D) Type, Percentage of Population with this Group ...
www.blood.co.uk
U.S. Blood-type Distribution. O+ 38 percent of population; A+ 34 percent of population; B+ 9 percent of population; O- 7 percent of population; A- 6 percent of ...
health.howstuffworks.com
In fact, there are eight different common blood types, which are determined ... number of B's. The mix of the different blood types in the U.S. population is: ... patients with sickle cell disease, 98 percent of whom are of African-American descent.
www.redcrossblood.org