![]() Almost every region in the world has at least a 90% Rh Positive blood factor.Eastern Europe and Central Asia have the lowest levels of O Blood typing, but have the highest levels of the B blood allele in the world.63% of people do not have either the A allele or the B allele, with the highest prevalence of this being found in Central and Southern America.The Saami people of the Northern Scandinavia may have up to a 90% prevalence. This is particularly prevalent in the Australian Aboriginal population, which may have up to 53% prevalence of the A blood allele. When human population groups are isolated, there is a higher level of A blood allele levels.The A blood allele is somewhat more common in the world today than the B blood allele, with 1 in 5 people have the A blood allele.Because of these differences, it is important to make sure that you know what blood type demographic you fit into in case there is a need for medical treatment. Two parents with B type blood can have a child that has O type blood. The child of two AB+ parents could have a child with AB blood, A blood, or B blood and it could either be positive or negative. Just because both of your parents have AB Positive blood, however, doesn’t actually mean that is what your blood type will be. ![]() Your blood type is determined by your parents.
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