<prompt> In sickle cell trait, number of bands found in Hb2145  <response>: 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, a single band is produced.Laboratory findings of sickle cell anaemiaModerate to severe anaemiaPeripheral smear will showSickle cells Target cellsA positive sickling test with a reducing substance like sodium metabisulfite.Howell - Jolly bodies because of autosplenectomy 