Saturday, January 30, 2010

January 29, 2010

Jenni~
Since you have been having a bit of trouble about the differences between mitosis and meiosis, I'm here to talk to you about it.
The first major difference is where these processes take place. Mitosis takes place in cells that have a nucleus(cheek cell) while meiosis takes place in all the sex cells (sperm, egg cells). Next, mitosis only produces two daughter cells while meiosis produces four daughter cells. This happens because first, mitosis happens(two daughter cells) and then the cell doubles (four daughter cells). The difference in daughter cells is called diploid(2) and haploid(4).
One experiment you could do that might help you is look at this simulation. It shows the differences and similarities step-by-step in this process. Here is the attached link: http://www.pbs.org/wgbh/nova/miracle/divide.html (you have to click on the button on the right). This really helped me understand everything that was happening too.
Hope this helped,
Jenni from the Future


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