8/3/2023 0 Comments Rarest blood typeWhen we talk about the genetics of blood type, we typically only refer to the ABO gene. The versions you inherit determine whether your blood is type A, type B, type AB, or type O. The ABO gene can come in three different versions: A, B or O. Perhaps you have heard of the “blood type gene”. It’s so rare that people with this blood type can’t reliably get a blood transfusion, and may have to find donors internationally. It’s literally a 1-in-a-million event in people with European ancestry! It’s much rarer in other parts of the world. For example, around 1 person in 10,000 has this blood type in India. This very rare blood type is most “common” in southeast Asia. But they can have hidden DNA for other blood types, which they may pass on to a child. People with this blood type always show up as type O on a blood test. This blood type is found in "8% of Caucasian, 4% of African American, 1% of Asian and 4% of Latino American" populations.Bombay blood group is a rare blood type. However, O negative is not an extremely common blood type. Those with this blood type are considered universal donors since O negative can be used in emergency situations for transfusions on any blood type. What does DNA stand for? What to know about deoxyribonucleic acid and its function. What is the most common blood type? Here's which of the eight is most (and least) common. The second most common blood type is A positive which occurs in "33% of Caucasian, 24% of African American, 27% of Asian and 29% of Latino American" populations. To break down further, O positive occurs in "37% of Caucasian, 47% of African American, 39% of Asian and 53% of Latino American," populations, according to the American Red Cross. This blood type is in high demand since it is " the most frequently occurring blood type." The most common blood type is O positive, which is the blood type of 37% of the U.S. Just Curious? Your everyday questions, answered What is the most common blood type? What is the smallest unit of life? Get to know what makes up all living things. The blood type of B negative is also uncommon, occurring in "2% of Caucasian, 1% of African American, 0.4% of Asian and 1% of Latino American" populations, according to the American Red Cross. There are over 600 other known antigens, and the absence or presence of them creates " rare blood types." Someone's blood type is considered rare if they lack "antigens that 99% of the people are positive for." If you lack an antigen 99.9% of people have, your blood type is " extremely rare." According to the American Red Cross, AB negative blood type occurs in "1% of Caucasian, 0.3% of African American, 0.1% of Asian and 0.2% of Latino American" populations. What is the rarest blood type?īased on statistics, the rarest blood type is AB negative. But which is the rarest? Here's what to know. There are eight common blood types: A positive, A negative, B positive, B negative, O positive, O negative, AB positive and AB negative. Someone's blood type is determined by " the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross. This makes up approximately 10% of an adult’s weight. In fact, an adult who weighs between 150 and 180 pounds has around 1.2 to 1.5 gallons of blood in their body.
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