<prompt> Decreased osmotic fragility is not seen in which of the following conditions?ThalassemiaHereditary spherocytosisSickle cell anemiaIron deficiency  <response>: - Hereditary spherocytosis is associated with increased osmotic fragility because RBCs are spherical unstable dt defect in their cytoskeleton. Osmotic fragility curves of normal and hereditary spherocytosis red blood cells. 