idealwhe.blogg.se - Mitosis steps

At the end of prophase the membrane around the nucleus in the cell dissolves away releasing the chromosomes.

The chromosomes pair up so that both copies of chromosome 1 are together, both copies of chromosome 2 are together, and so on.

Each chromosome is composed of two sister chromatids, containing identical genetic information.

The chromosomes condense into X-shaped structures that can be easily seen under a microscope.

During interphase, microtubules extend from these centrosomes.

Outside of the nucleus are two centrosomes, each containing a pair of centrioles, these structures are critical for the process of cell division.

The DNA in the cell is copied in preparation for cell division, this results in two identical full sets of chromosomes.

If not corrected in time, mistakes made during mitosis can result in changes in the DNA that can potentially lead to genetic disorders.

The major purpose of mitosis is for growth and to replace worn out cells.

During mitosis one cell divides once to form two identical cells.