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Table 1 Genotyping results of the Duffy Blood Group System in 642 individuals (donors and patients infected with Plasmodium vivax) from Brazilian Amazon region.

From: Duffy blood group gene polymorphisms among malaria vivax patients in four areas of the Brazilian Amazon region

Genotype result

nt 125 FYA/FYB Donors/Patients

nt 265 FYBWKor FYX

GATA (n) FYBESor FY0 or FYB-33

Predicted Phenotype Donors/Patients

FYA/FYA

G/G 43/51

C/C

T/T

 

FYA/FY X

G/A 03/05

C/T

T/T

Fy(a+b-) n = 108/90

FYA/FYB-33

G/A 62/34

C/C

T/C

 

FYA/FYB

G/A 90/109

C/C

T/T

Fy(a+b+) n = 90/109

FYB/FYB

A/A 54/63

C/C

T/T

 

FYB/FY X

A/A 06/04

C/T

T/T

Fy(a-b+) n = 114/109

FYB/FYB-33

A/A 54/42

C/C

T/C

 

FY X / FY X

A/A 00/02

T/T

T/T

Fy(a-b-) n = 18/04

FYB-33/FYB-33

A/A 18/02

C/C

C/C

 

Total

330/312