Blood Type Heritability

January 17, 2021

The first group gives us the letter or letters of your blood type and the rh status gives the positive or negative part a o ab etc. Statistics from the american red cross show that the following are the most rare forms of the.

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Though there are many groups of antigens the main two groups we talk about when it comes to blood type are abo and rh.

Blood type heritability. By the time you are six months old you naturally develop antibodies against the antigens your red blood cells lack. The rh blood group system is attributable to two genes rhd and rhce which are located on chromosome 1 the rhd gene is dominant so the expression of the d antigen depends upon whether an rhd gene has been inherited from one or both parents. Your blood type is just a description of which antigens you have.

Inheritance of blood type. For instance a person with a blood type will have anti b antibodies and a person with b blood type will have anti a antibodies. Therefore a person is considered to be d positive whenever the rhd gene is present even though the gene may have only been inherited from one parent.

Is ab with less than 1 of the population having this type. The least common blood type in the u s. The ab blood type has both a and b antigens and the o blood type has neither a nor b antigen.

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