Juxtaposition is defined as the act of placing two things side by side for comparison. An example of a juxtaposition is the placing of baby blue and sky blue next to each other to see how they differ. noun. The act or an instance of juxtaposing or the state of being juxtaposed.
And then they become mutations, which may eventually lead to cancer. This is especially true if the mutation occurs in a tumor suppressor gene or oncogene. Mutations in DNA repair genes can be inherited, such as with Lynch syndrome, or acquired. Despite all that is known about the different ways cancer genes work, many cancers cannot be linked to a specific gene.
Medical Definition of Tumor suppressor gene Tumor suppressor gene: A protective gene that normally limits the growth of tumors. When a tumor suppressor gene is mutated (altered), it may fail to keep a cancer from growing. BRCA1, an example of a tumor suppressor gene, was the first breast cancer gene to be identified; mutated forms of this gene are responsible for some cases of inherited breast cancer, especially those that occur in younger women.