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Mitosis Vs. Meiosis Media Display Assignment

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Drashmeir Vincent

on 18 February 2014

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Transcript of Mitosis Vs. Meiosis Media Display Assignment

Mitosis Vs. Meiosis
By: Drashmeir Vincent
Telophase 2- Cells split again, the daughter cells are haploid. created 4 cells
Meiosis-Chromosomes split and go to opposite ends of the cell. Nuclear membrane starts to come back and the spindle fibers start to disappear
Metaphase 1 meiosis vs metaphase mitosis
Mitosis
The process where a single cell divides resulting in generally two identical cells, each containing the same number of chromosomes and genetic content as that of the original cell.
Meiosis
A two-part cell division process in organisms that sexually reproduce, which results in gametes with one-half the number of chromosomes of the parent cell.
Prophase 1 Meiosis vs. Prophase Mitosis
Telophase 2 & Cytokinesis Meiosis vs. Cytokinesis Mitosis
Telophase 1 & Cytokinesis meiosis vs Telophase mitosis
MEIOIS
Chromosomes condense. Chromatids also align to create tetrads. The process of crossing over occurs. This is when Non sister chromatids share some DNA The nuclear envolope also starts to dissapear. Spindle fibers start to appear

MITOSIS. In this Prophase it is similar. The nuclear envolope starts to disappear. the terads, which consist of two sister chromatids, condence. In this process there in NO crossing over. Spindle fibers start to appear
Meiosis-Tertrads align in the middle of the cell. Centriole goes to opposite ends. There are two pairs aligned in the middle. The spindle fibers go in the center of the centromeres
Mitosis-The chromosomes align in the middle of the cell. Centoiles go to oposite ends. There are four pairs aligned in the middle.The spindle fibers go right through the centromeres
Mitosis-Daughter chromosomes go to the opposite ends of the poles. The spindle fiber that pulled them apart is gone.Nuclear membrane starts to come back
The End
Similarities & Differences of Mitosis & Meiosis


Both mitosis and meiosis are associated with cytokinesis
The end result of both are daughter cells produced from a parent cell
The
fundamental
sequence of events in mitosis is the same as in meiosis
Both processes include the breakdown of the nuclear membrane, the separation of genetic material into two groups, followed by cell division and the reformation of the nuclear membrane in each cells
The processes differ in two fundamental. Meiosis has two rounds of genetic separation and cellular division while mitosis only has one of each. In meiosis homologous chromosomes separate leading to daughter cells that are not genetically identical. In mitosis the daughter cells are identical to the parent as well as to each other.
Differences of Mitosis & Meiosis


Cytokinesis - The daughter cells are diploid. created 2 cells
Each cell has half the amount of chromosomes as the original cell, but the chromosomes still have two chromatids. Nuclear envelopes reform in each cell.
The chromosomes line up in the center of the cell. The spindle fibers attach to the chromosomes' centromeres.
The centromeres of each chromosome split. Then the individual chromatids are pulled to opposite ends of the cell by the spindle fibers, simultaneously stretching out the cell
The cell is stretched because of the force the spindle fibers are exerting to bring the chromosomes to opposite ends of the cell.
Anaphase 1 meiosis vs Anaphase mitosis
The centromeres split. This is caused by the spindle fibers, which are bringing one chromatid from each chromosome to opposite ends of the cell
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