<prompt> Chediak higashi syndrome, true is -Defect in phagocytosisNeutropeniaAgammaglobulinemiaIgA defficiency  <response>: Chediak-Higashi syndrome is autosomal recessive disorder. Polymorphonuclear leucocytes here possess larger lysosomes. These abnormal lysosomes do not fuse with phagosome. - this leucocytes posses diminished phagocytic activity. Reference : Baveja text book of microbiology, 4th edition, pg no:153 p 