Cell Division
Published on Nov 21, 2015
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PRESENTATION OUTLINE
Binary fission, meaning "division in half", refers to a method of asexual reproduction. It is the most common form of reproduction in prokaryotes and occurs in some single-celled eukaryotes. An example is bacteria, they take 20 minutes.
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Binary fission
Mitosis is the process, in the cell cycle, by which a cell duplicates into two identical daughter cells.
Interphase is the phase of the cell cycle in which the cell spends the majority of its time and performs the majority of its purposes including preparation for cellular division.
G1 is the period of cell growth and increase in number of cell organelles.
During stage S the DNA replicates.
Stage G2 is another growing stage and preparation for Mitosis
Interphase
In prophase, chromosomes become visible, centrioles move to opposite poles, spindle info, nucleolus becomes visible.
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Prophase
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In metaphase chromosomes move toward the middle and the spindle microtubules.
Photo by JonathanCohen
Metaphase
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Anaphase
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In Telophase chromosomes have arrived at poles, the spindle disappears, centrioles replicate, nuclear membrane reappears, nucleolus becomes visible, and chromosomes become chromatin.
Photo by Nina Matthews Photography
Telophase
Photo by fickleandfreckled
Meiosis is a special type of cell division necessary for sexual reproduction in eukaryotes
Photo by brendan-c
Meiosis
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Diploid has two complete (2n) sets of chromosomes and Haploid has half the amount of diploid.
Photo by Hey Paul Studios
