ABO System Flashcards
1
Q
Gene A:
A
Enzyme: A glycosyltransferase
Sugar: N-acetylgalactosamine
Substrate: H antigen
Antigen produced: A
2
Q
Gene B:
A
Enzyme: B glycosyl transferase
Sugar: Galactose
Substrate: H substance
Antigen produced: B
3
Q
Amount of H antigen on red cells:
A
Most H - O>A2>B>A2B>A1>A1B - Least H
4
Q
Gene H:
A
Enzyme: H glycosyltransferase
Sugar: Fucose
Substrate: precursor substance
Antigen produced: H