BIOL.1220 Lecture Notes - Lecture 9: Spindle Apparatus, Microtubule Organizing Center, Sister Chromatids

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Overview: the key roles of cell division: the ability of organisms to reproduce best distinguishes livings things form non- living matter. The continuity of life is based on the reproduction of cells, or cell division: (almost) all eukaryote cells divide by mitosis. Exception to this rule: cells of the gonads. Half as much genetic material as other cells. These cells, called gametes, undergo meiosis: sperm and egg. Mitotic cell division creates genetically identical cells: cell division is more than just pinching the cell in half. Cell division (in somatic cells) results in daughter cells with identical genetic. Thursday, march 30, 2017 information, dna: entails high delity during replication (dna duplication) Human cells have about 2m of dna (6"6 : (250,000x the cell"s diameter) Cellular organization of the genetic material: eukaryotic chromosomes consist of chromatin. A complex of dna and protein: condenses during cell division.

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