Cell Biology and Genomics

Gene expression & Genetic Changes

Gene expression is the operation by which information from a genome biology is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding gene such as move from one place to RNA or small nuclear RNA genes, the product is a functional RNA. The procedure of gene synthesis expression is used by all known life eukaryotes prokaryotes and utilized by viruses to generate the macromolecular machinery for life. Several steps in the gene technology expression process may be modulated, including the transcription, RNA splicing, post-translational and translation modification of a protein. A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence various from what is found in most people. Mutations range in size they can make a difference to anywhere from a single DNA building block to a large segment of a chromosome that includes multiple genes.