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Cell cycle, mitosis, and meiosis
Transcript of Cell cycle, mitosis, and meiosis
tissue formation, including cancer, and
asexual & sexual reproduction
What is mitosis exactly?
The cell cycle describes the life cycle of a single-celled organism including its asexual reproduction.
The Cell Cycle
In multicellular organisms...
The Cell Cycle describes the process of growth and repair. It is also the process that does not work correctly when cancer tumours arise and grow. Cell lines, e.g., HeLa 'reproduce' through mitosis.
The Cell Cycle, Mitosis,
What is meiosis exactly?
THE CELL CYCLE
Did meiosis evolve from mitosis or exist as a form of cell reproduction?
Some protists have a primitive form of meiosis e.g. Giardia intestinalis which may have been present in the common unicellular ancestor
Evolution of meiosis