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Divide and Split

Can you guess what this colorful image represents? It mirrors a eukaryotic bio cell during the process of cabinet division. In particular, the picture shows the cell nucleus of the cell dividing. In eukaryotic cells, the cell core divides prior to the cabinet itself splits in two; and before the cell core divides, the cell’s DNA is replicated, or copied. There should be two copies of the DNA so the each daughter cell will have actually a finish copy of the genetic material native the parental cell. Just how is the replicated DNA sorted and also separated so the each daughter cell gets a complete collection of genetic material? come answer the question, you an initial need come know more about DNA and the develops it takes.

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Figure \(\PageIndex3\): Mitosis is the step of the eukaryotic bio cell cycle that occurs in between DNA replication and also the formation of 2 daughter cells. Mitosis has four substages, prophase, metaphase, anaphase, and telophase.


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Prophase

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api/deki/files/18045/1024px-Mitotic_Metaphase.svg.png?revision=1&size=bestfit&width=291&height=244" />Figure \(\PageIndex5\): Chromosomes, consisting of sister chromatids, heat up at the equator or center of the cell during metaphase. The blue lines room spindles, and the orange rectangles in ~ the cabinet poles are centrioles. Part spindles indigenous the opposing centrioles affix with every other, and also some spindles attach to the kinetochores of the sister chromosomes native their particular sides. Each chromosome is fastened to 2 spindles.

Anaphase

During anaphase, sister chromatids separate and also the centromeres divide. The sisters chromatids are pulled apart by the shortening that the spindle fibers. This is a little like reeling in a fish through shortening the fishing line. One sister chromatid moves to one pole that the cell, and also the other sister chromatid move to opposing pole (see number \(\PageIndex6\)). In ~ the end of anaphase, every pole that the cell has actually a complete set of chromosomes