Genetic Function
gene deletion Audio
ex·pres·sion de·le·tion [ jeen dih-lee-shuhn ]
Subclass of:
Sequence Deletion
Definitions related to gene deletion:
  • A genetic rearrangement through loss of segments of DNA or RNA, bringing sequences which are normally separated into close proximity. This deletion may be detected using cytogenetic techniques and can also be inferred from the phenotype, indicating a deletion at one specific locus.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Any deletion mutation that occurs within a gene, including the 5' and 3' untranslated regions of the gene.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • The loss of all or a part of a gene. There may also be a change in the RNA and protein made from that gene. Certain gene deletions are found in cancer and in other genetic diseases and abnormalities.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (gene deletion mutation) Genetic rearrangement through loss of segments of DNA or RNA, bringing sequences which are normally separated into close proximity.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.