Q:

Which of the following is a major charac- teristic of meiosis I?

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Which of the following is a major charac-teristic of meiosis I?


  1. Splitting of the centromere
  2. Pairing of homologous chromosomes
  3. Reducing the amount of DNA to 1N
  4. Achieving the diploid number of chromosomes
  5. Producing primordial germ cells

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B. Pairing of homologous chromosomes (synapsis) is a unique event that occurs only dur- ing meiosis I in the production of gametes. Synapsis is necessary so that crossing over can occur.

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