Cancer
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Cancer
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Question:
what is an oncogene?
Answer:
Mutated proto-oncogenes that cause cancer are called oncogenes.
Approximately 100 oncogenes have been identified.
Examples of Oncogenes
The rasK oncogene is found in 25% of lung cancers, 50% of colon cancers, and 90% of pancreatic cancers. The rasN oncogene is associated with leukemias and lymphomas. These oncogenes stimulate growth even when there is no growth factor produced.