Cell Division Chapter 10 Sec. 2.

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Presentation transcript:

Cell Division Chapter 10 Sec. 2

Mitosis Produces identical diploid cell Occurs only in autosomal cells (body)

The Cell Cycle Repeating events that make up the life of a cell

Interphase Time between cell divisions G1 = growth phase S phase = cell DNA is copied G2 phase = prepares for cell division

Cell Division M phase = mitosis , cell divides Cytokinesis = cytoplasm divides

Mitosis Division of the nucleus Prophase Metaphase Anaphase Telophase

Prophase 1st phase Nuclear envelope disappears Spindle Fibers appear

Metaphase 2nd phase Chromosomes align in the middle of the cell Kinetochore fibers attach to centromeres

Anaphase 3rd phase Chromatids begin to separate by kinetochore to opposite poles

Telophase 4th phase Chromatids reach opposite ends Spindle fibers disappear Nuclear envelope develops

Cytokinesis Division of cytoplasm End of telophase, cell pinches in = cleavage furrow

Cytokinesis Plants have a _______? Vesicles produced by the golgi complex align across the middle of the cell creating a Cell plate