<prompt> In sickle cell trait, number of bands found in Hb2145  <response>: Ans. is a i.e., 2 In hemoglobin electrophoresis, various types of hemoglobin move at varying speed. In sickle cell trait heterozygous state, there are two types of hemoglobin - HbS 40 and HbA 60. So, on electrophoresis two different bands are produced. In Homozygous state, almost all hemoglobin is HbS. So, single band is produced. Laboratory findings of sickle cell anemia Moderate to severe anaemia o Peripheral smear will show Sickle cells Howell - Jolly bodies because of autosplenectomy Target cells o A positive sickling test with a reducing substance like sodium metabisulfite. 