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Abo antigens

Abo antigens

(Science: haematology, immunology) a system of genetically determined antigens (proteins) located on the surface of the erythrocyte.

The presence of these specific antigens gives a blood its unique properties. Because of the antigen differences existing between individuals, blood groups are significant in blood transfusions, maternal-foetal incompatibilities (erythroblastosis foetalis), tissue and organ transplantation.

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Re: Blood type changing spontaneously with a transplant?

... about the patient being Rh- and then becoming Rh+? Since the 'O' in ABO group means that the person simply does not express either A or B antigens - or does this mean that the person in question started to express one or both, A/B? ...

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by biohazard
Mon Mar 03, 2008 1:52 pm
Forum: Human Biology
Topic: Blood type changing spontaneously with a transplant?
Replies: 18
Views: 29311

Re: Secretors/Non-Secretors and Blood Group

For common ABO blood typing, the antigens on the surface of erythrocytes are determined, rather than antibodies circulating in the blood. I think ...

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by biohazard
Wed Jan 30, 2008 11:42 am
Forum: Human Biology
Topic: Secretors/Non-Secretors and Blood Group
Replies: 1
Views: 9114

What makes an allele dominant or recessive?

... some function that the dominant gene has. For example, in the case of ABO blood types, the O type is recessive because it does not produce any antigens or antibodies, whereas A and B types (which are codominant) do. Or, in the above case ...

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by dipjyoti
Sun Nov 05, 2006 3:13 pm
Forum: Genetics
Topic: What makes an allele dominant or recessive?
Replies: 2
Views: 26428

Blood Types

... 38% A+ 34% B+ 9% O- 7% A- 6% AB+ 3% B- 2% AB- 1% When referring to the ABO blood type, Victor was partially right. If you refer to the blood cells having or not having antigens, then A or B is the most common. More people have antigens than people that do ...

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by biostudent84
Tue Jun 21, 2005 5:39 pm
Forum: Human Biology
Topic: Blood Types
Replies: 51
Views: 25643

Kyle's Stem Cell Research Paper

... it is wrong, guide me to the truth. The second i want to know is that ABO and RH systems of blood is important in blood transfusing. One thing i've heard of is that there is 'artificial blood' without these antigens on the surface and so it can be transfused to anyone. Is that in use ...

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by cloudnine
Sat Jan 01, 2005 7:57 am
Forum: Cell Biology
Topic: Kyle's Stem Cell Research Paper
Replies: 15
Views: 77790

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