diagnosed using tool has mode of inheritance has causal genotype has causal or contributing genetic variation has causal molecular phenotype Electrophoresis Hemoglobin S Hemoglobin O-Arab Disease Homozygous Hb O-Arab None A very rare autosomal recessive hemoglobinopathy characterized by an abnormal form of hemoglobin called hemoglobin O-Arab. It is associated with a mild to moderate anemia. Hb O-Arab Disease Request inclusion into relevant ontology http://onlinelibrary.wiley.com/doi/10.1002/pbc.24414/pdf Homozygous Hemoglobin O-Arab Structural Hemoglobinopathy Hemoglobin O-Arab HBB, GLU121LYS Hemoglobin Genotype O-Arab Autosomal Recessive Homozygous