Copy of Meiosis I and II.docx

Copy of Meiosis I and II.docx - Stages of Meiosis I and...

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Stages of Meiosis I and Meiosis II. Look at the picture of each phase and write a short description of what happens in that phase.
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Interphase I (not pictured) In this phase, cells grow, replicate their DNA, and produce extra proteins and organelles to prepare for division. Prophase I In this phase, the nuclear envelope begins to dissolve and chromosomes begin to condense and pair up. “Crossing over” occurs in this phase. Metaphase I In this phase, the nuclear envelope is fully dissolved and chromosomes line up in the middle of the cell. Centrosomes attach to the chromosomes using microtubules, which also push the centrosomes apart from each other. Anaphase I In this phase, the homologous pairs of chromosomes are split or pulled apart by the centrosomes. Telophase I It his phase, the homologous pairs are fully split apart, and they’re at opposite ends. They can begin to unravel into their chromatin state, and the nuclear membrane begins to form around each set of chromosomes. Also, the microtubules that were
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