modified by modifies caused by Abnormal Phenotype Increased Hemoglobin F Disease Phenotype Alpha Thalassemia Hydroxyurea Phenotype of Sickle Cell Disease None SCDO http://bioportal.bioontology.org/ontologies/OGMS?p=classes&conceptid=http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FOGMS_0000023 OGMS:0000023 A (combination of) quality(ies) of some or all sickle cell disease individuals, determined by the interaction of the genetic make-up of these individuals (with regard to sickle cell disease) and their environment. Probably too specific to warrant inclusion into anther ontology. Make sure complications as described in "Definitions of the Phenotypic Manifestations of Sickle Cell Disease" (Ballas, 2010) are included in Phenotype. Quality of Life in Sickle Cell Disease Measure Alpha-Globin Locus Deletion Sickle Cell Anemia Associated with Alpha Thalassemia SCD Molecular Phenotype Altered Level of Normal Hemoglobin in SCD Hemoglobin F Level