What is Mitosis and its Stages?

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This is the technical term for the division of a nuclear cell.  They nucleus divides then resulting in identical chromosomes.  What is mitosis and what are the stages?  It is accompanied by cytokinesis which is the result of the separate cells becoming cells that are called daughter cells.

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Mitosis is a multiphase process.  The phases are divided into six different stages. They are the interphase, prophase, and metaphase anaphase telophase and cytokinesis phase.

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Interphase is the stage before the dividing cell enters mitosis and goes through a period of growth.  Approximately 90 percent of the time the cell is in the interphase.  In this phase, it will grow in mass getting ready for the division.  Then it goes through a narrow slice of time when the DNA is synthesized. After this has happened but prior to the prophase it will continue to grow in size.  The membrane of the nucleus is still intact protecting the DNA from the mutation.
Prophase mitosis is when the molecules continually compress and condense forming the chromosomes.  The membrane and nucleolus at this point is not visible anymore.  During this phase, chromosomes that would normally spread through the nucleus will form into a tight ball.  The molecules of DNA and chromosomes start to interact with proteins and enzymes that assist in the replication of the genes.  The cytoskeleton is then transformed into a spindle apparatus that pulls the duplicated chromosomes apart.
Metaphase is the next part of the dividing cells.  They begin to line up, and the spindle coordinates them to a symmetrical position on the metaphase plate at the center of the parent cell. This is useful in cytogenetics as the chromosomes are easily visualized at this time.
The anaphase is the next in the mitosis progression.  This is where the cells have a sudden separation from the sister cells.   The spindle fibers are shortened.  The centromere will split, and the separated chromatids are then pulled behind the centromeres.  This is when the two chromosomes sets develop into the nuclei of the daughter cells, making perfectly identical cells to one another, as well as the original cell.
The last stage of mitosis, before the cytokinesis.  Telophase is the end.  When the chromosomes start to move to the spindle pole they will uncoil and then spread out.  At this time, the spindle is deconstructed.  The membrane of is formed around these chromosomes.
Cytokinesis phase of mitosisis the stage when the splitting daughter cells are contained in a separate cell.  This happens when a furrow is formed and pinches off the two cells.



Mitosis is the process of cells being divided and creating sister cells that are identical to the parent cells.  This is something that could help in the unraveling of the chromosomes and help biologist to cure many diseases including cancer.  The precision of this process is something that intrigues biologists.  Walther Flemming in the late 1800’s was able correctly to discover the sequence of the mitosis phases.  Researchers now know what a highly regulated process this is.Mitosis