What are the 7 blood types?

Get our guide to find out.
In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present (+) or absent (–), creating the 8 most common blood types (A+, A-, B+, B-, O+, O-, AB+, AB-).


What are the 8 rarest blood types?

The rarest blood type in the U.S. blood donor population is AB-negative, clocking in as the blood type for only 1% of the population.
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Rare Blood Types
  • AB-negative – 1 %
  • B-negative – 2 %
  • AB-positive – 4 %
  • A-negative – 6 %
  • O-negative – 7 %
  • B-positive – 11 %
  • A-positive – 32 %
  • O-positive – 40 %


What are the 10 blood types?

Blood types
  • O positive: 35%
  • O negative: 13%
  • A positive: 30%
  • A negative: 8%
  • B positive: 8%
  • B negative: 2%
  • AB positive: 2%
  • AB negative: 1%


What are the 3 rarest blood types?

The rarest blood types are: B negative(B -ve), which is found in 1.5 percent of the total population. AB negative(AB -ve), which is found in 0.6 percent of the total population. AB positive(AB +ve), which is found in 3.4 percent of the total population.

What is the rarest type of blood type?

What's the rarest blood type? 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.


Why do blood types matter? - Natalie S. Hodge



Who Cannot donate blood?

You must be in good health at the time you donate. You cannot donate if you have a cold, flu, sore throat, cold sore, stomach bug or any other infection. If you have recently had a tattoo or body piercing you cannot donate for 6 months from the date of the procedure.

What is the golden blood type?

One of the world's rarest blood types is one named Rh-null. This blood type is distinct from Rh negative since it has none of the Rh antigens at all. There are less than 50 people who have this blood type. It is sometimes called “golden blood.”

What blood type should not have babies?

Rh incompatibility occurs when a mother has Rh-negative blood and the baby has Rh-positive blood. The mother's body will produce an auto-immune response that attacks the fetus or newborn's blood cells as if they were a bacterial or viral invader.


Do Babies always have the father's blood type?

No it doesn't. Neither of your parents has to have the same blood type as you. For example if one of your parents was AB+ and the other was O+, they could only have A and B kids. In other words, most likely none of their kids would share either parent's blood type.

What blood type is most needed?

Type O positive blood is given to patients more than any other blood type, which is why it's considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type.

What is the newest blood type?

The new group is called the Er blood group. According to a study in the journal “Blood,” there are now a total of five Er antigens in this group based on genetic variations. The blood type can cause immune cells to attack mismatched cells, which has happened in other cases where blood types are incompatible.


What blood type is most pure?

You'll receive O- blood. Without any antigens or Rh D factor, O- blood is compatible with all other blood types. For that reason, people with O- blood are referred to as “universal donors.” According to the American Red Cross, every two seconds someone in this country needs a blood transfusion.

Why is Rh negative so rare?

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. Only people with at least one Rh-negative factors will have a negative blood type, which is why the occurrence of Rh-negative blood is less common than Rh-positive blood.

Can siblings have different blood types?

Brothers and sisters don't always share the same blood type. The genotype of both parents plays a role in defining the blood type. For instance, children of parents with the genotypes AO and BO may have the blood types A, B, AB, or O. Thus, siblings do not necessarily have the same blood type.


What is the oldest blood type?

In molecular history, type A appears to be the 'oldest' blood type, in the sense that the mutations that gave rise to types O and B appear to stem from it. Geneticists call this the wild-type or ancestral allele.

Who has golden blood?

Rh-null blood can be accepted by anyone with a rare blood type in the Rh system. “Golden blood” is as rare in reality as it was in ancient Greek mythology: only forty-three people in the world are known to have had this blood type.

Do twins have the same blood type?

Identical twins will always have the same blood type because they were created from the same fertilized egg (fraternal twins can have different blood types — again, providing the parents do — because they are created by two fertilized eggs).


Who has stronger genes mother or father?

Genetically, you actually carry more of your mother's genes than your father's. That's because of little organelles that live within your cells, the mitochondria, which you only receive from your mother.

Which parent decides blood type?

The short answer: Both biological parents determine the baby's blood type.

Which blood type is infertile?

Scientists from Yale University and the Albert Einstein College of Medicine have produced a study that finds patients with type O blood were at double the risk of diminished ovarian (egg) reserve than women of other blood types.


What blood types cause miscarriages?

Rh factor: Miscarriage can be caused because of the incompatibility of the mother's blood and the blood of the unborn foetus commonly known as Rh factor incompatibility. This type of miscarriage occur when the blood type of mother is Rh negative, and the foetus blood type is Rh positive.

What is the strongest blood group?

Type O negative red blood cells are considered the safest to give to anyone in a life-threatening emergency or when there's a limited supply of the exact matching blood type. That's because type O negative blood cells don't have antibodies to A, B or Rh antigens.

What is the blood type of Queen Elizabeth?

Famous Type O personalities: Queen Elizabeth II, John Lennon or Paul Newman.


Can your blood type change?

The blood group of a person is determined by the presence or absence of specific antigens on the surface of their red blood cells. These antigens can be proteins or sugars, which are inherited from a person's parents. Some blood groups are more common than others, but changing your blood group is impossible.

How do I find out my blood type without a test?

Ask your parents or doctor

Before you go out of your way to try any of the other methods, check with your parents first. They may know or have old health records that include your blood type. You can also reach out to your healthcare provider, who may have that information on file.