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| 1. Chromosome replication. Meiosis 1 |
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| 2. Each replicated chromosome pairs with its corresponding homologous chromosome. This structure is called a tetrad, which contains four chromatids. This is when crossing over happens. |
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| 3. Spindles form and the paired homologous chromosomes line up across the center of the cell. |
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| 4. The homologous pairs of chromosomes separate. Spindle fibers pull each pair toward opposite ends of the cell. |
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| 5. Chromosomes cluster at each end of the cell. A nuclear membrane formers around each cluster of chromosomes. |
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| 6. Cells separate and form two new cells, resulting in two daughter cells. Neither daughter cell has the two complete sets of chromosomes. |
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| 7. Chromosomes become visible. They do not form tetrads like in Prophase 1. |
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| 8. Chromosomes line up along the center of each cell. Similar to Metaphase 1. |
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| 9. The paired chromatids separate. Similar to Anaphase 1. |
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| 10. Similar to Telophase 1. |
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| 11. Similar to Cytokinesis 1. Cells separate to form four haploid daughter cells. |
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