causes condition has contributing genetic variation causes molecular phenotype Hemoglobin S Sickle Cell Disease-S/Lepore Boston HBB, GLU6VAL Hemoglobin Genotype S/Lepore Boston S/Lepore Boston Genotype A compound heterozygous genotype, involving the mutations for Hemoglobin S (beta6Glu>Val) and Hemoglobin Lepore Boston. PMID: 7055103 None Request inclusion into relevant ontology S/Lepore Haemoglobin Genotype S/Lepore Stevens MC, Lehmann H, Mason KP, Serjeant BE, Serjeant GR. 1982. Sickle cell Hb Lepore Boston syndrome. Uncommon differential diagnosis to homozygous sickle cell disease. Am J Dis Child. 136(1):19-22. S/Lepore Genotype Hemoglobin Lepore Boston Hemoglobin Genotype S/Beta Thalassemia Crossover between delta (HBD) and beta globin (HBB) gene loci