What does the plus mean in blood types?

There are three main blood types: O, A, and B. A and B have both a recessive and a dominant allele. That means you can be either heterozygous or homozygous for a particular blood group. In contrast, O and A have two recessive alleles and one dominant allele, so you only have one or two copies of the recessive allele and therefore express no A or B antigen

What does plus mean in blood types?

When it comes to blood types the most common tests are A, B, O, and Rh. This is because they are the most common in the world. Other tests are uncommon, like the rare Le and D-negative. The rarest blood type is the H-negative, which is why it’s so important to know your blood type.

What does the plus mean in blood types and Rh?

The Rh factor is present in about 40% of the population. People who have a Rh-negative blood type are at risk of developing antibodies when they contract an infection that they didn’t originally get from themselves. This can lead to life-threatening anemia, and this is why Rh-negative pregnant women are given an injection of Rhogam to help protect their unborn child.

What does plus mean in blood type letters?

If you have an A, B, or O blood type then you may have two copies of the plus version of the antigen. This means that there will be two proteins on the surface of your red blood cells that match the antigen on the blood of people with different blood types. This helps your body fight off infection, as your immune system can recognize invaders more easily.

What does plus mean in blood group?

If you have a plus blood type, you have a protein called hemoglobin in your red blood cells. This protein carries oxygen throughout your body. One of the most noticeable health effects of having a A-positive blood type is increased resistance to the bacteria streptococcus.