#leptotene  the first stage of the prophase of meiosis
  supertype:  #phase.time_period__stage  any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected"
  part:  #synapsis
  part of:  #prophase.phase_of_cell_division  the first stage of meiosis
     part of:  #meiosis__miosis__reduction_division__reductiondivision  (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)

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