Choose one of the following three topics for your primary post. Your primary post should address everything that the instructions call for (for the topic you choose). Your post should also be at least 125 words in length. Additionally, please respond to at least one other discussant on any topic.
Tumor-suppressor genes versus Proto-oncogenes. This is a library-research topic in which you are required to provide your sources. Mutations in tumor suppressor genes can contribute to or cause cancer, just as mutations in proto-oncogenes can also contribute to or cause cancer. However, tumor suppressor genes are very different from proto-oncogenes.
- (a) What is the basic difference between a tumor suppressor gene and a proto-oncogene?
- (b) Explain how mutations in these very different types of genes can cause or contribute to causing cancer.
