Queried GO terms:

  idGO:0043153   Detailed information
  nameentrainment of circadian clock by photoperiod
  namespacebiological_process
  def"The synchronization of a circadian rhythm to photoperiod, the intermittent cycle of light (day) and dark (night)." [GOC:jl]
  synonym"photoentrainment of circadian clock" EXACT [PMID:10217146]
  is_aGO:0009648 ! photoperiodism
  is_aGO:0009649 ! entrainment of circadian clock

Monarch genes with this GO terms:

  DPGLEAN15995

  DPGLEAN16569

  DPGLEAN18581