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  • meiosis
    • gametes join at fertilisation to restore the number of chromosomes
      • copies of genetic information
      • the cell divides twice to form four gametes each with single set of chromosomes
      • all gametes are genetically different from each other
    • meiosis leads to non-identical cells being formed
      • the new cell divides by mitosis
      • the number of cells increase
      • as the embryo develops cells differentiate


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