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Divide and also Split

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


Figure (PageIndex3): Mitosis is the step of the eukaryotic cell cycle that occurs between DNA replication and the development of two daughter cells. Mitosis has 4 substages, prophase, metaphase, anaphase, and also telophase.

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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 sisters chromatids, line up at the equator or middle of the cell throughout metaphase. The blue lines space spindles, and also the orange rectangles at the cell poles are centrioles. Some spindles native the opposing centrioles attach with each other, and also some spindles affix to the kinetochores that the sisters chromosomes indigenous their corresponding sides. Every chromosome is attached to 2 spindles.


During anaphase, sister chromatids separate and the centromeres divide. The sister chromatids are pulled personally by the shortening of the spindle fibers. This is a little like reeling in a fish through shortening the fishing line. One sister chromatid move to one pole of the cell, and also the other sister chromatid move to the opposite pole (see figure (PageIndex6)). In ~ the finish of anaphase, every pole that the cell has actually a complete collection of chromosomes