point mutation

noun

Definition of point mutation

: a gene mutation involving the substitution, addition, or deletion of a single nucleotide base

Examples of point mutation in a Sentence

Recent Examples on the Web

This flaw is especially problematic because tens of thousands of genetic diseases are results of such point mutations. — The Economist, "BiotechnologyGene editing takes another step forward," 26 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'point mutation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Keep scrolling for more

Learn More about point mutation

Dictionary Entries near point mutation

point of accumulation

point of addition

Statistics for point mutation

Look-up Popularity

Time Traveler for point mutation

The first known use of point mutation was in 1925

See more words from the same year

Keep scrolling for more

More Definitions for point mutation

point mutation

noun

Medical Definition of point mutation

: a gene mutation involving the substitution, addition, or deletion of a single nucleotide base

Comments on point mutation

What made you want to look up point mutation? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

tchotchke

a knickknack or trinket

Test Your Vocabulary

Find the Cousins

Which pair shares a common word ancestor?

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ

SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Words at Play

Ask the Editors

Word Games