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Cell Cycle Conclusion

A mitosis lab was recently done. An experiment was performed that studied the each phase in the cell cycle.The hypothesis for this lab stated, "Interphase will be the longest phase and anaphase will be the shortest phase.” Mitosis is the process where of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus. The cell cycle is the cycle of growth and asexual reproduction of a cell, consisting of interphase followed in actively dividing cells by prophase, metaphase, anaphase, and telophase. Therefore, it would make sense for each phase to take a certain amount of time. Onion cells were looked at, each going through a phase of the cell cycle. Tally marks were kept for the number of cells that displayed a certain phase. It was found that interphase had the most tallies and metaphase had the least. Based on this data, the hypothesis stated above was not fully supported. This data doesn't fully support the hypothesis because although interphase was the longest phase anaphase was not the shortest phase. Metaphase was the shortest. Interphase takes up 73% of the cell cycle; which is 160 out of 220 total cells. Telophase takes up 34 cells, which is 16%. Anaphase takes up 5 cells which is 2%. Metaphase takes up 2 cells, which is .10%. Prophase takes up 19 cells, which is 9%. This makes sense because interphase is suppose to take up about 75% of the cell cycle; which it does. It is predicted that further study could be conducted as to change the type of cell that the cell cycle would be viewed in. Perhaps an animal cell would change the results. It is predicted that the cytokinesis phase will be different because instead of the split chromosomes moving toward the walls of the cell until they split they would be pulled apart. Also interphase would remain the longest phase in the cell cycle while the phase in mitosis might change. From

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