Queried GO term:

  idGO:0016569   Detailed information
  namecovalent chromatin modification
  namespacebiological_process
  def"The alteration of DNA or protein in chromatin by the covalent addition or removal of chemical groups." [GOC:mah]
  is_aGO:0016568 ! chromatin modification

No monarch genes has the input GO term: GO:0016569.