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on 9 January 2013

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Transcript of mitosis

By: Tea Tate and Francisco Blanco Mitosis Interphase
Step 1 Prophase
(Mitosis Phase 1) Metaphase
(Mitosis Phase 2) The chromatids separate and move to opposite sides of the cell. The spindle fibres shorten and the centromere splits. In eukaryotic cells, a process of cell divisions that forms two new nuclei, each of which has the same number of chromosomes.
Mitosis is important because without it cells wouldn't be able to reproduce and cells wouldn't have specific functions. Its the step before mitosis begins and the chromosomes are copied. In interphase the DNA duplicates but the chromosome structure has not condensed yet and remain loose. This is the first step of mitosis. When chromosomes condense from long strands into rod like structures. The Nuclear membrane is dissolved. Paired chromatids align at the cell's equator.The spindle fibers attach themselves to the centromeres of the chromosomes and align. Anaphase
(Mitosis Phase 3) Mitosis Telophase
(Mitosis Phase 4) A nuclear membrane forms around each set of chromosomes unwind. The spindle fibers disintegrate. Mitosis is over. Cytokinesis In cells that lack a cell wall, the cell pinches in two. In cells that have a cell wall, a cell plate forms between the two new cells. Mitosis: The complicated process by hich chromosomes condense and seperate. Daughter Cell The Daughter cells are the product of mitosis. The daughter cells are the same as normal cellls.With more daughter cells the cells can have their own specific job or function. Sites and Sources http://library.thinkquest.org/C0118084/Gene/Chromosomal_Inheritance/StagesMitosis.htm Pictures of the phases of Mitosis online picture: drawings of Mitosis http://www.accessexcellence.org/RC/VL/GG/images/MITOSIS.gif (online picture)
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