Queried GO term:

  idGO:0042401   Detailed information
  namecellular biogenic amine biosynthetic process
  namespacebiological_process
  def"The chemical reactions and pathways occurring at the level of individual cells resulting in the formation of any of a group of naturally occurring, biologically active amines, such as norepinephrine, histamine, and serotonin, many of which act as neurotransmitters." [GOC:jl, ISBN:0395825172]
  subsetgosubset_prok
  is_aGO:0006576 ! cellular biogenic amine metabolic process
  is_aGO:0009309 ! amine biosynthetic process

No monarch genes has the input GO term: GO:0042401.