Mitosis160-page14

Mitosis160-page14 - Cell Reproduction Mitosis 14 When and...

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Cell Reproduction: Mitosis - 14 When and Where does Mitosis Occur? Cell Division in Perspective Growth All growth (increase in numbers of cells) in individual organisms takes place by mitosis, from the fertilized egg (zygote) to death. Replacement Many cells are routinely replaced in organisms. This replacement of cells is done by mitosis. For examples, we replace the cells that line our digestive tract every one to three days. Repair and Maintenance Mitosis is used for repair and replacement of damaged cells or tissues, whenever possible. This includes regeneration of lost parts for some organisms. Non-Sexual (Asexual) Reproduction Mitosis is used for all asexual reproduction or propagation. This is especially common in plants, fungi and protists. Animals less commonly reproduce asexually. There are many claims for the world's largest organism based on the ability to make more. Asexual reproduction produces offspring genetically identical to the original parent, as would be expected of any mitosis. Asexual Reproduction in Yeast, Protist, Hydra (an Animal) and Aspen Groves
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This note was uploaded on 12/29/2011 for the course BIO 151 taught by Professor Edwards during the Spring '10 term at SUNY Stony Brook.

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