Comparing Mitosis and Meiosis

Comparing Mitosis and Meiosis

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  • Nothing much, just preparing to divide.
  • Hey somatic cell!
  • I'm doing that too. I'm using a process called Mitosis
  • Hey Gamete! Whats up?
  • Mitosis is the division of the nucleus into 2 nuclei, each with the same number of chromosomes. The first phase is Interphase, which is the phase I'm in now!
  • After Prophase, comes Metaphase. This is when the chromosomes line up in the center of the cell and the spindle fibers connect to the chromosomes .
  • The next phase is Prophase. During this phase the chromosomes condense, the nucear membrane breaks down, and the spindle fibers begin to form.
  • Next, the chromosomes couples are pulled apart by the spindle fibers and the cell begins to lengthen. This is called Anaphase
  • The last phase is called Telophase. This is when the the chromosomes uncoil, nuclear membrane forms around each set of chromatids and 2 identical nuclei are formed. Each nuclei then has the dipploid number of chromosomes.
  • So what process are you going to be using to divide?
  • Next is Anaphase I. This is when the homologous chromosomes separate and move towards the poles. The sister chromatids remain attached at their centromers.
  • I'm going to use a process called Meiosis. Its very similar to Mitosis but the cell will form 4 daughter cells that are not all identical instead of 2 identical daughter cells.
  • The first phase is called Prophase I. During this process the chromosomes condense and crossing over occurs. Metaphase is the same in Mitosis and Meiosis.
  • The last phase of Meiosis I is Telophase I. Each pole now has the haploid number of chromosomes. After this, the process occurs once more with Meiosis II.
  • Meiosis and Mitosis are both very similar because they both go through the same processes to form daughter cells, but they are both different because one process creates 2 identical daughter cells , and the other created 4 different daughter cells.
  • Mitosis is so important because without it people would be a jumbled up mess of all different cells.
  • Wow both Mitosis and Meiosis are so different and so alike at the same time.
  • Yeah! Meiosis is so important because without all people would be the exact same.
  • Wow Mitosis and Meiosis are so cool!
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