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Wednesday, February 23, 2011

Youtube Meiosos

Today I had the task to find a few Youtube videos to help my understanding of Meiosis. Here are a few:


http://www.youtube.com/watch?v=35ncSrJOwME&feature=related
http://www.youtube.com/watch?v=GK3eHNu9zsA&feature=related
http://www.youtube.com/watch?v=iCL6d0OwKt8



These videos were fun, interesting and educational. They taught me the following. Firstly, what the differences are between mitosis and meiosis. Meiosis is exactly the same as mitosis, but it has an extra step and there are less chromosomes in the cells. After an asexual cell is reproduced, it makes two daughter cells. Mitosis makes two daughter cells, which then splits up again making sex cells. Secondly, I learned what a haploids and diploids are. A haploid is an organism with one set of chromosomes, where as a diploid is an organism with the normal amount of chromosomes as every other cell in that organism. Thirdly, I learned that when a mother and a father's genes come together, they split exactly half of their chromosomes. When the cycle is done, a bit of the mother and father's genes are in each of the four cells. Fourthly, I learned the process through an exciting way. Mitosis and meiosis are crucial to keep us alive and I'm glad that I was educated about this because now I know how people reproduce and what the differences are between mitosis and meiosis. 


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