#gametocyte  an immature animal or plant cell that develops into a gamete by meiosis
  supertype:  cell  the basic structural and functional unit of all organisms; cells may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
  subtype:  oocyte  a female gametocyte that develops into an ovum after two meiotic divisions
  subtype:  spermatocyte  a male gametocyte that develops into four spermatids

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