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If you receive blood from a “positive” donor, then your own antibodies may react with the incompatible donor blood cells, triggering a further response from the immune system. If a particular high-prevalence antigen is missing from your red blood cells, then you are “negative” for that blood group. If you lack one that 99.99 percent of people are positive for, then you have very rare blood. If you lack an antigen that 99 percent of people in the world are positive for, then your blood is considered rare. Some 160 of the 342 blood-group antigens are “high-prevalence,” which means that they are found on the red blood cells of most people. It is the presence or absence of particular antigens that determines someone’s blood type. On the surface of every one of our red blood cells, we have up to 342 antigens-molecules capable of triggering the production of specialized proteins called antibodies. It would be straightforward if we all had the same blood.
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Hence the hundreds of millions of people flowing through blood-donation centers across the world, and the thousands of vehicles transporting bags of blood to processing centers and hospitals. If we lose a lot of blood in surgery or an accident, we need more of it-fast. Red blood cells carry oxygen to all the cells and tissues in our body. In 50 years, researchers have turned up only 40 or so other people on the planet with the same precious, lifesaving blood in their veins. Very few people in the world knew his blood type did-could-exist. Surely it was impossible for this man seated beside her to be alive, let alone apparently healthy? But when she read the details closely, her eyes widened. The nurse in Annemasse, France, could tell from the label on the blood bag destined for Paris that this blood was pretty unusual. It was quicker that way: If the man donated in Switzerland, his blood would be delayed while paperwork was filled out and authorizations sought.
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Despite this never being proven correct, South Korean and Japanese cultures still believe in these myths.His doctor drove him over the border. Some people believe that a person's blood type can predict a great deal about them, including their character, personality, and even how well they get along with others. In an emergency when a blood transfusion is required, the use of O negative is the safe choice, especially when there is no time to test the patient for blood type.Īn individual with O negative blood is considered to be a universal donor if they donate blood. People with O negative blood following the Eat Right for Your Blood Type Diet are believed to be healthiest on a diet of lean protein, and only limited wheat and grains, which will cause them to gain weight. People with type O blood tend to have higher levels of stomach acid and therefore experience more ulcers. While a person with O negative blood has no A or B antigen in their red blood cells, the plasma still contains A and B antibodies. If they are given any other type will cause an immune response in the body. If a person with O negative blood can only receive O negative blood. Medical intervention is required to help avoid complications that can become fatal for the baby if left untreated with antibodies. This is not a problem unless the O negative mother is Rh- and the baby is Rh+. Most babies do not have the same type of blood as their mother. If both parents are B the child will be either O or B. A child born to both parents with A will be either O or A. A child born to one parent with O and the other B will be either O or B at birth. A child born to parents who are both O will also be O.Ī child born to one parent with O and the other with A will be either O or A at birth. The blood type of a person is determined by chromosome 9. There are several blood types including A+, A-, B+, B-, AB+, AB-, O+, and O. Higher rates of O negative blood type are found in people from Spain, Iceland, New Zealand, and Australia.
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Only 4% of Africans and Hispanics have O negative blood type and only 1% of Asians have O negative. O negative blood is more common in Caucasians, at 8% of the population. It is estimated that only 6.6% of people have O negative blood type. O negative blood is also considered to be the safest blood for use in transfusions of newborn babies because they have undeveloped immune systems. This makes it possible for donated O negative blood to be used for transfusion for other blood types, but an individual who has O negative blood can only receive blood from other O negative donors. Antigens include protein, carbohydrates, glycoproteins and glycolipids. O negative is the rarest of all types and this blood type has no antigens. O negative blood is a blood group classification.