Queried GO terms:

  idGO:0048054   Detailed information
  nameR2/R5 cell differentiation
  namespacebiological_process
  def"The process in which relatively unspecialized cells acquire the specialized features of R2 and R5 photoreceptors. An example of this process is found in Drosophila melanogaster." [GOC:jid]
  is_aGO:0001751 ! compound eye photoreceptor cell differentiation

No monarch genes has this GO term.