Modeling Mitosis

Abby Vianzon.                                                     April. 27th, 2021

Interphase 

The first phase is when the cell is just forming and hasn’t had chromosomes yet, but in the middle is the DNA forming. But nothing has really happend during the first stage because the DNA is still forming copies of the chromosomes.

Prophase

 

During this phase, the chromosomes start to show; they coil up into an x shape, regarding to this the spindle fibres start to from from each end of the cell. The spindle fibres is a type of protein that travels along the cell gives protein for the cell to develop.

Late Prophase  

 

Late prophase is when the the nuclear membrane disappears and the chromosomes start to attach themselves to the spindle fibres, the DNA in the cell has copied the chromosomes.

Metaphase 

 

Metaphase is when the X chromosomes form in the middle of the cell, this is where the spindle fibres come in play; the chromosomes form in the middle into a straight line as the spindle fibres pulls into to them.

Anaphase 

Anaphase is the 2nd to last stage in the cell cycle, once the spindle fibres pull the centromere apart this allows the chromatid to pull away from the middle of the cell and forming to the ends of the cell.

Telophase 

The last phase of the cell cycle, Telophase is where the chromosomes are now at the end of the cell.. The spindle fibres are now gone and are not taking part in the cell cycle. The nuclear membrane forms around the chromosomes and leaving the cell fully develop!

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