Queried GO term:

  idGO:0019856   Detailed information
  namepyrimidine base biosynthetic process
  namespacebiological_process
  def"The chemical reactions and pathways resulting in the formation of pyrimidine bases, 1,3-diazine, organic nitrogenous bases." [GOC:go_curators]
  subsetgosubset_prok
  is_aGO:0006206 ! pyrimidine base metabolic process
  is_aGO:0046112 ! nucleobase biosynthetic process
  is_aGO:0072528 ! pyrimidine-containing compound biosynthetic process

No monarch genes has the input GO term: GO:0019856.