Results From Blood Types AB And O?

Illustration of Results From Blood Types AB And O?
Illustration: Results From Blood Types AB And O? canadiancrc.com

Doc, Tanya

1 Answer:

Hi Fauzi,


Thank you for asking HealthReplies.com.

Before discussing further about the possible results of crosses between blood groups, it seems you need to know the concept of blood groups in general.


ABO blood group is determined based on the type of antigen (Ag) and antibody (Ab) contained in the blood. Based on this, blood groups can be divided into 4, namely A (which has antigen A and produces antibodies against antigen B), B (which has antigen B and produces antibodies against antigen A), AB (which has antigen A and B), and also O (which has no antigen in its red blood cells.


To determine the possibility of a cross based on blood group, calculations can be made based on Mendel's law, with the following standards:

Type A blood can have the AA or AO phenotype
Blood type B can have the BB or BO phenotype
Type AB blood has the AB phenotype
Type O blood has the OO phenotype

Therefore, it is true that a mother with blood type AB (phenotype AB) married to a father with blood type O (phenotype OO) may only have children with blood type A (phenotype AO) or B (phenotype BO). It is not known which term is more dominant as you mentioned above.


It needs to be clarified again, what did the doctor actually say regarding the condition that your colleague was experiencing?


Considering that you heard the information from a third person, namely from your colleague, not from the doctor who examined it in person, then the possibility of misinterpretation is quite high. Therefore, we recommend that you consult directly with the doctor who examined your colleague for more details.

Blood group characteristics


Blood group test

I hope this helps.

dr. Nadia Nurotul Fuadah

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