Rh and Common Antigen Frequencies Flashcards
1
Q
R1 - Black
A
0.17
2
Q
R2 - Black
A
0.11
3
Q
R0 - Black
A
0.44
4
Q
r - Black
A
0.26
5
Q
R1 - White
A
0.42
6
Q
R2 - White
A
0.14
7
Q
R0 - White
A
0.04
8
Q
r - White
A
0.37
9
Q
RH haplotype uncommon in white and blacks
A
r’ > r” > Rz > ry
10
Q
Most to least common Rh phenotype in White
A
R1 > r > R2 > R0
More whites are C+ (68%) than Blacks (27%)
11
Q
Most to least common Rh phenotype in Black
A
R0 > r > R1 > R2
More blacks are c+ (98%) than whites (80%)
12
Q
% of blood negative for E-c-
A
18-19%
R1R1 or R1r’
13
Q
What the most common genotypes in Whites?
A
R1r 35% R1R1 18-19% (c-E-) rr 15% (Nearly all Rh neg) R1R2 13% R2r 12%
14
Q
What are the most common genotypes in Blacks?
A
Ror 23% RoRo 19% 40% E-C- R1R1 15% R1r 9% R2R0 10%
15
Q
What are the two most common genotypes in Asians?
A
R1 and R2 = 90% of asians