Figure 2

Cut DNA subsequent to digestion with Mnl I. M = Molecular marker of 100 bp, lanes 1, 8, 9 = normal subjects; lane 2 and 3 = subjects heterozygous for HbE (β^A/β^E); lanes 4-7 = subjects compound heterozygous for HbE and beta thalassaemia; lane 10 = blank.