Fig. 2
From: High frequency of the Duffy-negative genotype and absence of Plasmodium vivax infections in Ghana
Example of an ethidium bromide-stained 1.0% agarose gel electrophoresis of allele specific PCR products for Duffy genotyping. Lanes 1 and 2 show PCR positive for both internal control and Duffy allele; Lane 3 shows a negative sample; Lane 4 shows PCR positive for only Duffy allele; Lanes 5 and 6 show PCR positive for only internal control. M = 100 bp ladder (NEB)