Expression

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Expression (Medicine)

Expression (pronounced: /ɪkˈsprɛʃən/) is a term used in various fields of medicine. It refers to the process by which a gene's information is used to synthesize a functional gene product, such as a protein, which can have a direct effect on a patient's health.

Etymology

The term "expression" comes from the Latin expressio, which means "to press out". In the context of medicine, it refers to the "pressing out" or manifestation of genetic information.

Related Terms

  • Gene: A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
  • Protein: A molecule composed of polymers of amino acids joined together by peptide bonds.
  • Genome: The complete set of genes or genetic material present in a cell or organism.
  • Transcription (genetics): The first step of gene expression, where the DNA sequence is copied into RNA.
  • Translation (genetics): The process by which the genetic code carried by an mRNA molecule is translated into the sequence of amino acids during protein synthesis.

See Also

External links

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