sickle cell traitsickle cell trait
the heterozygous condition of having one gene for sickle cell hemoglobin and one for normal hemoglobin: ordinarily this does not cause anemia or sicklemia
sickle cell trait
A hereditary condition, usually harmless and without symptoms, in which an individual carries only one mutated hemoglobin gene for sickle cell anemia. The sickle cell trait confers resistance to some forms of fatal malaria.