Definition of Frameshift mutation

1. Noun. (genetics) a genetic mutation that either inserts or deletes a series of nucleotides that is not divisible by three and thus disrupts gene expression by codons ¹



¹ Source: wiktionary.com

Medical Definition of Frameshift mutation

1. A type of mutation that results from insertion or deletion of a single nucleotide into, or from, an open reading frame in the normal DNA sequence. Normally, the genetic code is read in the wrong frame, three nucleotides at a time, and the entire sequence downstream of the mutation, is translated into a polypeptide with a garbled amino acid sequence from the mutated codon onwards. These mutations may be induced by certain types of mutagens or may occur spontaneously and usually result in the generation, downstream, of nonsense, chain termination codons. Synonym: addition mutation, addition-deletion mutation, deletion mutation, reading-frameshift mutation. (21 Jun 2000)

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Lexicographical Neighbors of Frameshift Mutation

framebuffer
framebuffers
framed
framed decision
frameless
framer
framers
frames
frames of mind
frames of reference
frames per second
frameset
framesets
frameshift
frameshift mutagen
frameshift mutation (current term)
frameshift mutations
frameshifting
frameshiftings
frameshifts
frameskip
frameup
frameups
framework
framework knitter
frameworks
framily
framing
framing device
framings

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