Eukaryotic Cell Reproduction
Interphase, Mitosis, and Cytokinesis
Cell is carrying out all life functions
plus storing energy for mitosis
Each chromosome is duplicated which
Chromatids: identical copies of a
chromosome, held together at
1st phase of Mitosis
Nuclear membrane dissolves
Chromosomes condense and start to
move towards center of cell
Centrioles move to opposite sides of cell
Mitotic spindle fibers form between the
2nd Stage of Mitosis
Mitotic spindle fibers attach to the
centromeres of each pair of
The chromosomes are lined up along
the equator of the cell
3rd Stage of Mitosis
Chromatids separate at the
Each chromatid is pulled to a pole of
the cell by the mitotic spindle fibers
Last Stage of Mitosis
Nuclear membranes form around the
two sets of chromosomes
Mitotic fibers disappear
Mitosis is now complete
Eukaryotic cells without a cell wall, cell
membrane pinches inward and
eventually all the way through to form
the two daughter cells
In eukaryotic cells with a cell wall, a
cell plate forms in the middle of the
cell to divide the two cells.
What Did You Learn?
How are binary fission and mitosis
similar? How are they different?
Why is it important for chromosomes
to be copied before cell division?
What would happen if cytokinesis
occurred without mitosis?
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