title: A gene deletion ending at the midpoint of a repetitive DNA sequence in one form of hereditary persistence of fetal haemoglobin.
mesh_terms: D044383:Black People; D002872:Chromosome Deletion; D005319:Fetal Hemoglobin / Q000235:genetics*; D005786:Gene Expression Regulation; D005914:Globins / Q000235:genetics; D006453:Hemoglobinopathies / Q000235:genetics*; D006801:Humans; D011995:Recombination, Genetic; D012091:Repetitive Sequences, Nucleic Acid
chemical_list: D005914:Globins; D005319:Fetal Hemoglobin