Cell Division PDF
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Menoufia Faculty of Medicine
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Summary
The document is a set of lecture notes on cytogenetics, outlining the learning objectives, stages of the cell cycle, mitosis and meiosis, and the different ways cells can divide.
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Cytogenetics 1- identify stages of Cell Cycle 2- list the stage of Mitotic division 3- enumerate general characteristics of meiosis 4- identify the changes occurred in prophase 1 of meiosis 5- compare between mitosis and meiosis I-The interphase: 2-Cell Division(mitosis) 1- Gl-phase(Gap or pr...
Cytogenetics 1- identify stages of Cell Cycle 2- list the stage of Mitotic division 3- enumerate general characteristics of meiosis 4- identify the changes occurred in prophase 1 of meiosis 5- compare between mitosis and meiosis I-The interphase: 2-Cell Division(mitosis) 1- Gl-phase(Gap or presynthesis: the cell restores its normal size after mitosis, forms RNA and protein, needed for its growth. 2- S-phase(DNA synthesis) during which, duplication of DNA & centrioles takes place. 3- G2-phase(Post DNA duplication): is the phase in which the cell produces the energy needed for the next cell division according to the ability to divide Cells that cannot divide------Nerve cells. ( GO) Cells unable to divide but after degeneration are replaced by stem cells of the same family----- Cells of small intestine. Cells that divide only at time of need-- Cells of liver and endocrine gland cells. Prophase Metaphase Anaphase Telophase
