Question: is sickle cell anemia caused by deletion?
Answer: Hemoglobin genetic anomalies can cause hemolytic anemias such as: sickle-cell anemia (Hbs), α thalassemias, β thalassemias (see details below), more or less severe diseases, depending on the mutation and/or the number of mutations (i.e. one α gene deletion is latent, but the deletion of 4 α genes cause hydrops foetalis ...