L2. Genotype/phenotype ABO blood group system Flashcards
What is the genotype of the O phenotype?
OO
What are the antigens to the O phenotype?
O antigens.
What are naturally occurring ABs with the O phenotype?
Anti-A
Anti-B
What is the genotype of the A phenotype?
AA or AO
What are the antigens to the A phenotype?
A antigens
What are naturally occurring AB’s with the A phenotype?
Anti-B
What is the genotype of the B phenotype?
BB or BO
What are the antigens to the B phenotype?
B antigens
What are naturally occurring ABs in the B phenotype?
Anti-A
What is the genotype of AB phenotype?
AB
What are the AB phenotype antigens?
AB antigens
What are the naturally occuring ABs to the A+B Phenotype?
None.
What is the naturally occurring form of AB’s?
IgM type. Arise in the first few months of life as the bowel is colonised by bacterial flora.
Is it possible that a father with A and mother with B can have a Child with BG O?
Yes, if they’re heterogenic (AO or BO), they can have a child with BG O.
