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Mitosis

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Science


Mitosis


Mitosis is performed when a cell is required to produce two identical offspring.

Cells usually have two copies of chromosomes within the nucleus.

 

Mitosis is the process of splitting one cells to produce two identical copies:

 

aIn a cell the chromosomes are contained within the nucleus.
 bWhen the cell receives the signal to replicate, the DNA replicates so that each arm of the chromosome is the same
 cThe chromosomes then line up and are pulled apart by cell fibres called mitotic spindles.
 dThe nuclear membranes then begin to   form again
 aaWhen the nuclear membranes are formed fully the cell splits and forms to identical cells

 

Mitosis is primarily used in a sexual reproduction, this type of

reproduction has no variation and is mainly used in plants

and bacteria.

 

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