ABO BG System
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ABH genes code for what enzymes which add specific sugars to comon precursor chains?
Hh BG System
H antigen is the structure on which A&B antignes are made.
What is genotype if phenotype is O
What is genotype if phenotype is P?
BB or BO
What is genotype if phenotype is A2B or A1B
A2B or A1B respectively
What is genotype if phenotype is A2
A2A2 or A2O
What is genotype if phenotype is A1
A1A1 or A1A2 or A1O
Type 1 & 2 are differentiated by the type of linkage between the terminal carbs.
- Naturally occuring in B&O
- This antibody (subgroup of A) is usually IgM and occasionally IgG.
- Reacts at 37
ABH Structures can be made of what?
Glycolipids, glycoproteins, or glycosphingolipids
IgM ABO antibodies tend to...
be Naturally Occurring
Are Immune related antibodies like: pregnancty or transfusions
A gene enzyme and sugar produced
alpha-3-acetygalactosaminyl-transferase sugar = N acetylgalactosamine (GalNAc)
B gene enzyme and sugar produced
alpha-3-D-galactosyltransferase sugar= D-Galactose (Gal)
O gene enzyme and sugar produced
NONE is produced!
H gene enzyme and sugar produced:
alpha - 2 - L - fucosyltransferase sugar = fucose (fuc)
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