Another type is characterized by the replacement of Hemoglobin A with Hemoglobin S.
Along with an enlarged spleen, one type of this condition is a symptom of hereditary spherocytosis. Another type of this disease is detected by Schilling's test and is characterized by a deficiency of a molecule sometimes named after castle. Patients with that variety of this condition produce megaloblasts because of a lack of intrinsic factor, in turn due to a vitamin B12 deficiency. Another type is characterized by the replacement of Hemoglobin A with Hemoglobin S. For 10 points, give this blanket name for conditions that cause deficiency or abnormality in red blood cells, which includes iron-deficient, pernicious, and sickle cell types.
Along with an enlarged spleen, one type of this condition is a symptom of hereditary spherocytosis.
{anemia}