ABO Flashcards
1
Q
Type 1 Linkage
A
Beta 1,3
2
Q
Type 1 Origin
A
Plasma
3
Q
Type 1 Controlling genes
A
H,A,B,Se and Lewis
4
Q
Type 2 linkage
A
Beta 1,4
5
Q
Type 2 origin
A
Synthesized on erythrocyte precursor
6
Q
Type 2 controlling gene
A
H,A,B
7
Q
Branched A Antigen
A
A1
8
Q
Linear A antigen
A
A2
9
Q
500 000 A antigen/adult red cells
A
A2
10
Q
Bombay phenotype
A
hh
11
Q
Very rare , does not make transferase to form H antigen
A
hh
12
Q
RBC fail to react with Anti-A, anti-B, anti H lectin
A
Bombay phenotype
13
Q
Rare phenotypee in which the RBC are completely devoid oh H antigens or have small amount of H antigen present
A
Parabombay
14
Q
RBC pf thse individuals express weak forms of A and B antigen, which are primarily detected by absorption and elution studies
A
PARABOMBAY
15
Q
A secretor subtances
A
A, H Substances
