sickle cell anemia is a recessive trait in human
sickle_cell_anemia is sickle_cell_disease. sickle_cell_disease is genetic_condition. sickle_cell_anemia is anemia. sickle_cell is red_blood_cell. sickle_cell_anemia is monogenic_disorder. microcytic_anemia is anemia. hemolytic_anemia is medical_detail_containing_entity. one_disease is sickle_cell_anaemia. anemia is hematologic_disorder.