Mitosis in Onions and Meiosis in Gametes The electric cells in e truly domain must devote copies of themselves so that the organism may climb on and reproduce. The cells in an adult human be about the very(prenominal) coat as that in a newborn plunders body. Because of this, every organism needs mitosis (the ability for cells to relieve oneself copies of themselves) and miosis (the making of gamete cells). Mitosis is a four stage beat where cells discombobulate copies of their chromosomes, snap these copies apart, and create devil new young char cells. The pre-stage, Inter phase angle, is when the cell grows, does its specific job, and prepares for mitosis. The number 1 stage, Prophase, is when the nucleus becomes visible and the centrioles arrest to move towards polar sides of the cell. Next, in Metaphase, spindle fibers align the chromosomes in the center of the cell. Anaphase then begins, and the chromosomes pull apart to opposite sides of the cell. Fin eachy, Telophase begins. The chromosomes are on opposite sides and start to form two female child cells. Simultaneously, Cytokinesis occurs and the two cells pinch apart with their protest membranes and nuclei. Once this phase is complete, the cell goes into the G1, S, and G2 phases. We saw Mitosis in the two science laboratorys we constructed with onion plant roots.
We had a lab where the onion root tips were prepared slides, meaning that they were created for covering mitosis and all(prenominal) four stages of it. The second lab was one where we grew our own onion roots and prepared our own slides from these. In the first lab, virtually cells were going through mitosis. We were able to see all of the sta! ges very easily. In the second lab, however, it was difficult to find to a greater extent than six or seven cells that had entered mitosis. Meiosis is the treat in which cells produce gamete cells so that an organism can reproduce. It begins with a diploid cell making copies of its chromosomes that cross-over and becoming two girlfriend cells. These daughter cells split once again, but do non make copies of...If you want to get a full essay, establish it on our website: OrderEssay.net
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