is b negative blood the same as rh negative?
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The red cells in your blood can be A, B, AB, or O. ... Your blood can be Rh positive, which means that you have the Rh protein, or Rh negative, which means that you do not have the Rh protein. The letter of your blood group plus the Rh makes your blood type. You can be O+, O−, A+, A−, B+, B−, AB+, or AB−.
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Normally, being Rh-negative has no risks. But during pregnancy, being Rh-negative can be a problem if your baby is Rh-positive. If your blood and your baby's blood mix, your body will start to make antibodies that can damage your baby's red blood cells. This could cause your baby to develop anemia and other problems.
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Within the ABO system, people can be one of four groups: O, A, B, or AB; with respect to Rh a person is either positive or negative. ... Those who have this "Rhesus" factor on their red blood cells are considered Rh positive. Those who lack the factor are called Rh negative.
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Like A, B and O, the positive or negative component of a person's blood type refers to a molecule which is either present or absent on the surface of their red blood cells. In this case, it's an antigen in a blood group system called the Rh (originally called Rhesus) system. ... If you don't have it, you're Rh negative.
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Originally Answered: Is the AB negative blood a universal receiver? ... AB neg cannot receive any Rh positive blood. AB positive is the universal receiver, they can receive any ABO blood type in an emergency. The universal donor is O negative; any blood type can receive this.
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The Significance of Being Rh Negative or Rh Positive. In 1937, Karl Landsteiner and Alexander Weiner discovered a new blood type: the rhesus blood type, or Rh factor. The rhesus protein is named for the rhesus monkey, which also carries the gene, and is a protein that lives on the surface of the red blood cells.
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O negative red blood cells lack the A and B antigens (hence, group O) and also the Rh(D) antigen. Rh null blood lacks all the antigens in the Rh group, such as D, C, c, E, e and others. The Rh null red cells can still be positive for A or B antigens, the presence or absence determines their ABO blood type.
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The difference between blood group and blood genotype Within ABO blood group systems, there are four different blood groups; A, B, AB and O while for Rh D group system, there are two types - Rh D positive and Rh D negative. Blood genotype indicates of the type of protein (Haemoglobin) that is in the red blood cells.
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Blood group B has B antigens with anti-A antibodies in the plasma. White blood cells fight infections. Blood group AB has both A and B antigens, but no antibodies. Both the ABO and the Rh blood types are important when it comes to matching blood types for transfusion.
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AB negative is the rarest of the eight main blood types - just 1% of our donors have it. Despite being rare, demand for AB negative blood is low and we don't struggle to find donors with AB negative blood. However, some blood types are both rare and in demand.
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The presence or absence of A or B antigens gives us four main blood types: A type blood has only A antigens on red blood cells. B type blood has only B antigens on red blood cells. ... O has neither A nor B antigens on red blood cells.
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Each person has two Rh factors in their genetics, one from each parent. The only way for someone to have a negative blood type is for both parents to have at least one negative factor. For example, if someone's Rh factors are both positive, it is not possible for his or her child to have a negative blood type.
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The presence or absence of the D (Rh) antigen makes any group positive or negative. O- is the real universal donor, while O+ is a general donor for all the positive groups.
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For example, AB blood has both the A and B antigen, so a person with this type of blood can receive either type A or type B blood. ... When it comes to the Rh factor, people with Rh-positive blood can receive either Rh-positive or Rh-negative blood, while people with Rh-negative blood can only receive Rh-negative blood.
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O negative is the universal blood type. O negative blood type can only receive O negative blood. O negative donors who are CMV negative are known as Heroes for Babies at the Red Cross because it is the safest blood for transfusions for immune deficient newborns.
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For example, a person with O+ blood does not have A or B antigens on the surface of the cells but does have Rh factor. In contrast, O- blood has no A or B antigens and no Rh factor. For this reason, medical experts consider type O- blood to be a universal red cell donor type.
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The blood groups being positive and negative is defined by the presence or absence of certain antigens on the surface of RBCs. If this surface has antigen then it is called as positive if the surface does not have antigen then it is called a negative blood group. The antigen present is known as RH antigen or rhesus .