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somatic mutation

Line breaks: som|at¦ic mu|ta¦tion

Definition of somatic mutation in English:

noun

[mass noun] Biology
The occurrence of a mutation in the somatic tissue of an organism, resulting in a genetically mosaic individual.
Example sentences
  • One means by which these mutations occur is via somatic mutation or chromosomal deletion of one or both alleles.
  • In the last two decades, many genes that display a tendency to undergo somatic mutation in various cancers have been identified.
  • A somatic mutation was determined to have occurred when one or more bands appeared in the tumor tissue in addition to those observed in the normal tissue of the same patient.

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