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Mitosis Vs. Meiosis
1
Mitosis
Vs.
Meiosis
Omar Al-Khatib
mitosis
Mitosis
Prophase: This is the first phase of mitosis, spindles form and the membrane vanishes. Chromosomes replicate and the chromosomes become visible under a microscope.
Metaphase: is the second phase, the chromosomes line up in the middle with the guidance of spindle fibers. Ready for phase 3.
Anaphase and telophase
This is the third stage of mitosis, the sister chromatids are pulled to opposite sides of the cell. chromosomes are split in half
phase 3 and 4
The fourth stage of mitosis, the chromatids have reached the poles, 2 new envelopes form around the 2 sets of unreplicated chromosomes, they are a replica of the parents cells.
mitosis
Meiosis
Meiosis is like mitosis , just with four extra steps of the same names, Prophase 2, metaphase 2 ....
prophase 1:
nuclear envelope disappears, chromosomes become visible under a microscope.
metaphase 1:
cross over is complete, chromsomes line up in the middle and spindle fibers attach to the chromosomes.
Anaphase 1:
Cell lengthens, chromatids are pulled to the opposite
sides of the cell
telophase 1:complete haploid sets of
chromosomes.
Meiosis 2
Prophase 2 : begins with 2 daughter cells. nuclear envelope begins to break down.
Metaphase 2: the spindle fibers place the chromosomes to the middle
Anaphase 2: The two sister chromatids are pulled apart, to the opposite poles.
telophase 2: cytokinesis occurs and a nuclear envelope occurs seperating the two cells apart.
Meiosis is complete with 4 haploid cells.
phases 2
Pictures
Mitosis picture
Mitosis picture
Meiosis picture
Meiosis
Picture
similarities:
they both include cells that come from parent cells
Comparing and contrasting mitosis and meiosis
Mitosis:
results with 2 daughter cells, and the number of chromosomes stay the same
Meiosis:
results with 4 daughter cells cheomosomes are split in half number wise