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point mutation

noun

, Genetics.
  1. a change in a single base in a nucleotide sequence.


point mutation

  1. A mutation in which one nucleotide is added, deleted, or replaced by another. Point mutations include missense, nonsense, frameshift, and silent mutations.


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Word History and Origins

Origin of point mutation1

First recorded in 1920–25

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Compare Meanings

How does point mutation compare to similar and commonly confused words? Explore the most common comparisons:

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point manpoint of departure