ABO blood group sys Flashcards
1
Q
What is it controlled by
A
controlled by three alleles of single gene
- these alleles responsible for antigen production on surface of blood cells.
2
Q
A and B alleles are
A
codominant
3
Q
A and B are ______ O
A
dominant over
4
Q
Blood type A
A
antibody B and antigen A
5
Q
Blood type B
A
antibody A and antigen B
6
Q
Blood type AB
A
antibofy none and antigen A and B
7
Q
Blood type O
A
antibody a and b and antigen none
8
Q
Bombay phenotype
A
H antigen deficiency
hh will not alllow expression of a b ab - recessive epistasis
9
Q
Rh factor
A
type of protein on surface of rbcs
D dominant over c and e
so D present = Rh+
No antigens = Rh-
