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Draw a feedback loop depicting the role of oncogenes and tumor suppressor genes in cancer |
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Answer» Answer: Explanation: A positive feedback loop takes places when when ONCOGENES are there because of mutation in the proto-oncogenes. In this condition, the cells start multiplying uncontrollably. Nothing can practically stop their growth. Tumor suppressor genes in cancer make a negative feedback DUE to apoptosis in cells that can lead to a CANCEROUS condition. Therefore, Oncogenes HAPPEN due to the turning on of proto-oncogenes whereas tumor suppressor genes may CAUSE cancer while they are turned off. |
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