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Blood group antigen

Blood group antigen

(Science: haematology, immunology) The set of cell surface antigens found chiefly, but not solely, on blood cells.

More than fifteen different blood group systems are recognised in humans. There may be naturally occurring antibodies without immunisation, especially in the case of the ABO system and matching blood groups is important for safe transfusion.

in most cases the antigenic determinant resides in the carbohydrate chains of membrane glycoproteins or glycolipids.

See: rhesus, Duffy, Kell, lewis and MN.


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Blood Group Ratio

... the ratio by simply looking at the possible antigen A, O of the future ofspring. You can now ... punnet square to determine the ratio of the blood group of the children.

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by chikis
Sat Dec 24, 2011 6:46 am
 
Forum: Human Biology
Topic: Blood Group Ratio
Replies: 15
Views: 3099

AB x A (Blood type) Cross Issues and Trihybrid Phenotypes

... right that that none are O. Remember that the blood groups refer to surface antigens of blood cells, A group just has A antigen, B just has B ...

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by domwood
Mon Feb 09, 2009 7:59 pm
 
Forum: Genetics
Topic: AB x A (Blood type) Cross Issues and Trihybrid Phenotypes
Replies: 1
Views: 6321

Re: Blood type changing spontaneously with a transplant?

... 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 ... It does have some relevance, because the A and B blood type antigens are very strong antigens, when compared ...

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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: 22698

Lewis blood group system

... If a patient has the genotype hh Lele, this would suggest Bombay phenotype and Lewis a antigen. No secretor genes. Is that right? Can you have the Bombay Phenotype and the Lewis antigen??

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by Katy_Bobbles
Tue May 22, 2007 4:29 pm
 
Forum: Human Biology
Topic: Lewis blood group system
Replies: 4
Views: 2813

The Fiber Disease

... - Sharp, painful tinges in tissue are felt - Blood (reddish brown) spots can be seen which over ... because the bacteria that one person or group received are slightly different from the bacteria ... dart may or may not be some kind of bacterial antigen it uses to try to paralyze you.. but you ...

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by Neva Borden
Sun Dec 03, 2006 1:13 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4470062
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