Caribbean locus control deletion, Complex -Globin Gene Cluster, Hb S, c, c.20A>T, complex -globin gene cluster, g, g.4,640,335_5,290,171dup, g.5,235,064_5,236,652del, g.5,236,653_5,244, g.5,244,281_5,255,766del, g.5,246,804-5,254,275del, g.5,248,232T, g.5,269,601_5,270,442del, g.5,305,478_5,310,336del, globin genes, large -gene duplication, thalassemia