<prompt> IgG is normal or slightly reduced in AE -Wiskott aldrich syndromeSelective IgA deficiencyDi George syndromeCommon variable deficiency  <response>: Ans. is a i.e., Wiskott-Aldrich syndrome o In Wiskott - Aldrich syndrome IgG levels are normal or elevated not reduced. o In selective IgA deficiency IgG2 and IgG4 may be reduced. o In Digeorge syndrome serum immunoglobulin concentration are frequently normal but antibody responses, paicularly of IgG and IgA isotopes, are usually impaired. o In common variable immunodeficiency IgG level is decreased. 