Table 1.

Distribution of the genetic frequencies observed for the Rh, Duffy, Kell and Kidd systems in a population of voluntary blood and bone marrow donors from the State of Parana, southern Brazil

Genotype		Donors (N = 400)
		Frequency	n
Rh System
	RHD Ψ +	0.0100	4
	RHD Ψ -	0.9900	396
	RHD+	0.8625	345
	RHD-	0.1375	55
	RHCE*C/C	0.1750	70
	RHCE*C/c	0.4275	171
	RHCE*c/c	0.3975	159
	RHCE*E/E	0.0225	9
	RHCE*E/e	0.2575	103
	RHCE*e/e	0.7200	288
Duffy System
	FY*A/FY*A	0.1250	50
	FY*A/FY*B	0.4800	192
	FY*B/FY*B	0.3950	158
	GATA-33 T/T	0.7800	312
	GATA-33 C/C	0.0250	10
	GATA-33 T/C	0.1950	78
Kidd System
	JK*A/JK*A	0.2725	109
	JK*A/JK*B	0.4800	192
	JK*B/JK*B	0.2475	99
Kell System
	KEL *1/KEL *1	0.0025	1
	KEL *1/KEL *2	0.0500	20
	KEL *2/KEL *2	0.9475	379

N = number of subjects studied; n = number of subjects with the genotype