From: Two previously proposed P1/P2-differentiating and nine novel polymorphisms at the A4GALT (Pk) locus do not correlate with the presence of the P1 blood group antigen
Phenotype
No. of samples
Polymorphism
Haplotype
No. of haplotypes
-550
-160
109
987
1697
P1
10
insC
G
A
A-1
15
A-2
5
8
T
B-1
2
B-2
12
B-3
P2
9
3