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  • Meiosis 1
    • Interphase
      • Genetic material duplicates
      • Prophase 1
        • Synapsis causes a chromosome from each parent cell (homologous chromosome) to join together and transfer its genetic code, known as 'crossing over'.
          • Causes variation!
        • Metaphase 1
          • The homologous chromosomes line up at the metaphase plate
            • Spindles attach to each homologous pair from either pole of the cells
          • Independant orientation causes variation also, because the way in which the chromosomes line up on the equator has nemurous posibilitys
          • Anaphase 1
            • the spindles pull the homologous pairs apart to opposite poles of the cell
            • Telophase 1
              • Nuclei form around the chromosomes at each pole of the cell and the cell physically divides via cytokinesis
              • Prophase 2
                • No more crossing over occurs and no more homologous pairs can be formed
                • Metaphase 2
                  • all the chromosomes in each cell lines up on the metaphase plate again, with spindles attached to their centromeres
                  • Anaphase 2
                    • Each chromosome is pulled apart to opposite poles of the cell
                    • Telophase 2
                      • Nuclei form around the chromosomes again, and cytokineses divides each cell in 2, this ultimately forms 4 daughter cells


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