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Questions and Answers
What kind of mutations contribute to the development of cancer?
What kind of mutations contribute to the development of cancer?
- Mutations in metabolic genes
- Mutations in immune system genes
- Mutations in oncogenes and tumor suppressor genes (correct)
- Mutations in structural genes
What is an oncogene?
What is an oncogene?
- A gene that, in mutated form, promotes cancer (correct)
- A gene responsible for cell differentiation
- A gene involved in apoptosis
- A gene responsible for DNA repair
What is the estimated number of independent mutations typically required for a tumor to occur?
What is the estimated number of independent mutations typically required for a tumor to occur?
- 4-5
- 10-12
- 6-8 (correct)
- 2-3
Why is a single mutation rarely sufficient to cause cancer?
Why is a single mutation rarely sufficient to cause cancer?
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What happens to mutant cells exhibiting 'selfish' behavior?
What happens to mutant cells exhibiting 'selfish' behavior?
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