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Multiple Choice

Which one of the following pair of organisms contains the highest and least number of chromosomes respectively?

  1. Tympanoctomys barrerae and Myrmecia pilosula
  2. Myrmecia pilosula and Ophioglossum reticulatum
  3. Ophioglossum reticulatum and Myrmecia pilosula
  4. Tympanoctomys barrerae and Drosophila melanogaster
  5. Ophioglossum reticulatum and Tympanoctomys barrerae
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