Oncogenes control the growth rate of cells.
What are oncogenes?
- A gene that encourages cell division is called an oncogene. The cell cycle, a managed process that regulates cell growth and multiplication in live tissue, determines how normally dividing cells divide.
- After dividing, a cell moves into the interphase phase, when it can either get ready for another division or stop.
- Genes with defects or mutations called oncogenes promote cell division even when it is not necessary.
How do oncogenes control cell division?
- The cell goes through three control points as it completes a cell cycle. The state of the cell is evaluated at these times.
- If everything is going according to plan, cell division will continue. The process stops if there is a problem, such as faulty DNA or insufficient cell material to create two new cells.
- The functioning of these control points is disrupted by oncogenes.
- Proto-oncogenes may become inactive or a suppressor gene may take over to stop the cell cycle.
- In the event that a proto-oncogene transforms into an oncogene, it might instruct the cell to divide regardless of the issues. A number of damaged cells may develop as a result.
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