Deletion Mutation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** 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.

**Synonyms:** - Deletion - Deletion - Deletion - Deletion - Deletion - Deletion - Deletion - Deletion Abnormality - Deletion NOS - del - deletion