BIOL 100 Lecture Notes - Lecture 22: Aneuploidy, Gregor Mendel, Reciprocal Cross
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23 May 2016
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Eukaryotes involve mitosis and meiosis for division (both are used for different purposes) Eukaryotic cell cycle consists of mitosis and interphase (2 steps) then there is pmat, g1, s & g2. Moving from g1 to s and g2 to m there is a signal and there is a cyclin-dependent kinase (allows the cell cycle to progress) Dna is always modified and is associated with proteins. Dna and the proteins are loosely associated. Dna condenses during mitosis for equal distribution then divides into 2 cells. Dna is tightly coiled to help divide more rapidly/easily. Pmat are the main steps: prophase. They align on the equatorial plate (the chromosomes) and the spindles attach: anaphase. Happens when the chromosomes are ready to move to opposite sides of the cell: telophase. Happens when the chromosomes stop moving and cytokinesis begins to separate the cytoplasm and the cell. Plant cells bud off from the golgi and form a cell plate.
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