Cell or Molecular Dysfunction
deletion mutation
de·le·tion mu·ta·tion
Definitions related to deletion mutation:
  • (deletion) Absence of a segment of DNA; may be as small as a single base or as large as a whole chromosome.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Any rearrangement to the genomic content that results in the loss of one or more nucleotides of DNA. Deletions are generally irreversible rearrangements. They may alter the reading frame of a gene, or may result in loss of large chromosomal regions.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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