M-MPresentE2011 - Mitosis and Meiosis Cell Divisions of...

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Mitosis and Meiosis Cell Divisions of Eukaryotes Model organisms: Onion Root Tip and Lily Anther Prokaryotes (kingdoms Monera and Archaea) have one chromosome and divide by fission. By number of cells and possibly biomass, most organisms on earth are these bacteria. Eukaryotes (kingdom Eukarya) have multiple chomosomes organized in nuclei and need more complex cell division. Monday, October 24, 2011
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Mammalian Life Cycle Mitosis occurs mostly in somatic cells. Meiosis is only seen in germ cells, leads to gamete formation. Monday, October 24, 2011
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Mitotic Cell Cycle Monday, October 24, 2011
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Condensed Chromosome Monday, October 24, 2011
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Karyotype the number and kind of chromosomes found in a particular eukaryotic species Human karyotype from a male Monday, October 24, 2011
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Mitotic Cell Division In mammals mostly diploid somatic cells * *Haploid cells do undergo mitosis too, in sperm production haploid cells are increased in number by mitosis. Yeast and many other organisms undergo mitosis in haploid and diploid parts of life cycle.
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