A gene is a small section of DNA that provides the instructions for making a specific protein. These proteins help the body grow, develop, and carry out important functions. Genes are found inside almost every cell in the body and are passed down from parents to children. Each person has approximately 20,000 genes, and each …
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In a molecular pathology report, the word rearrangement refers to a change in the DNA structure within a cell. DNA is usually organized into long strands called chromosomes, each containing many genes. A rearrangement happens when a piece of a chromosome breaks off and attaches somewhere else, either on the same chromosome or another chromosome. …
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KRAS is a gene found in nearly all cells in the body. Genes are instructions made of DNA that tell cells how to grow, divide, and function. The KRAS gene provides instructions for making a protein that helps control how cells respond to growth signals. KRAS is also considered a biomarker. A biomarker is a …
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