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

point mutation n.
A mutation that involves a single nucleotide and may consist of loss of a nucleotide, substitution of one nucleotide for another, or the insertion of an additional nucleotide.
point mutation
A mutation in which one nucleotide is added, deleted, or replaced by another. Point mutations include missense, nonsense, frameshift, and silent mutations.


Read Also:

  • Point-of-departure

    noun 1. Nautical. the precise location of a vessel, established in order to set a course, especially in beginning a voyage in open water. 2. a place to begin, as in a discussion, argument, etc.

  • Point-of-honor

    noun 1. an issue that affects one’s honor, reputation, etc.: It was a point of honor with him to avenge any insult to his family.

  • Point of fixation

    point of fixation n. The point on the retina at which the light rays coming directly from an object are focused. Also called fixation point.

  • Point of honour

    noun (pl) points of honour 1. a circumstance, event, etc, that involves the defence of one’s principles, social honour, etc

Disclaimer: Point-mutation definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.