Duffy Phenotypes and Genotypes in Fy(b−) Brazilian Blacks
| Samples (n = 49) . | Phenotype [Anti-Fya]† [Anti-Fyb] . | Genotype FY*A, FY*B [Ban I]† . | Genotype FY, FY-‡ [Sty I]† . | Genotype 271 (C → T) [Aci I]† . | Genotype 304 (G → A) [Mwo I]† . |
|---|---|---|---|---|---|
| 33 | Fy(a−b−) | FY*B/FY*B | FY-/FY- | C/C | G/G |
| 1 | Fy(a−b−) | FY*B/FY*B | FY/FY- | T/C | A/G |
| 9 | Fy(a+b−) | FY*A/FY*B | FY/FY- | C/C | G/G |
| 3 | Fy(a+b−) | FY*A/FY*B | FY/FY | T/C | A/G |
| 3 | Fy(a+b−) | FY*A/FY*A | FY/FY | C/C | G/G |
| Samples (n = 49) . | Phenotype [Anti-Fya]† [Anti-Fyb] . | Genotype FY*A, FY*B [Ban I]† . | Genotype FY, FY-‡ [Sty I]† . | Genotype 271 (C → T) [Aci I]† . | Genotype 304 (G → A) [Mwo I]† . |
|---|---|---|---|---|---|
| 33 | Fy(a−b−) | FY*B/FY*B | FY-/FY- | C/C | G/G |
| 1 | Fy(a−b−) | FY*B/FY*B | FY/FY- | T/C | A/G |
| 9 | Fy(a+b−) | FY*A/FY*B | FY/FY- | C/C | G/G |
| 3 | Fy(a+b−) | FY*A/FY*B | FY/FY | T/C | A/G |
| 3 | Fy(a+b−) | FY*A/FY*A | FY/FY | C/C | G/G |
†[ ], Identified by antisera, by restriction enzymes.
FY, wild-type GATA; FY-, GATA mutation.