<prompt> Not true about hereditary spherocytosis -Defect in ankyrinDecreased MCVDecreased MCHCReticulocytosis  <response>: In Hereditary spherocytosis the MCHCMean corpuscular Hb Conc is often increased above 35gdL.N33-35 gdL Ref:Postgraduate Hematology by Victor Hoffbrand, pg 131 Ref Robbins 9e pg 418 