Queried GO terms:

  idGO:0006582   Detailed information
  namemelanin metabolic process
  namespacebiological_process
  def"The chemical reactions and pathways involving melanins, pigments largely of animal origin. High molecular weight polymers of indole quinone, they are irregular polymeric structures and are divided into three groups: allomelanins in the plant kingdom and eumelanins and phaeomelanins in the animal kingdom." [GOC:go_curators]
  subsetgosubset_prok
  synonym"melanin metabolism" EXACT []
  is_aGO:0019748 ! secondary metabolic process
  is_aGO:0042440 ! pigment metabolic process

No monarch genes has this GO term.