gene mutation


plural gene mutations
: a permanent alteration (as by point mutation or frameshift mutation) in the nucleotide sequence of a gene
Researchers have identified a gene mutation that's believed to predispose people to malignant melanoma, the deadliest and most aggressive type of skin cancer.Health News
compare point mutation

Examples of gene mutation in a Sentence

Recent Examples on the Web According to experts, there’s actually a gene mutation behind it. Kimmy Yam, NBC News, 21 June 2024 Specifically, sobriety, exercise, and her recent preventative mastectomy after a test revealed a gene mutation called RAD51D, which raised her chances for breast cancer from 20 to 40 percent. Marissa R. Moss, Rolling Stone, 21 June 2024 Related article How a gene test could be the first step toward precision medicine for obesity Women with the gene mutation weighed an extra 4.6 kilograms (10.14 pounds), and men with the variant weighed an extra 2.4 kilograms (5.29 pounds), according to the study. Madeline Holcombe, CNN, 20 June 2024 Stansted Airport denied that Swift’s jet is there. 5 A rare gene mutation helps people resist Alzheimer’s disease. Jamie Ross, Washington Post, 20 June 2024 See all Example Sentences for gene mutation 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gene mutation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1904, in the meaning defined above

Time Traveler
The first known use of gene mutation was in 1904

Dictionary Entries Near gene mutation

Cite this Entry

“Gene mutation.” Dictionary, Merriam-Webster, Accessed 18 Jul. 2024.

Kids Definition

gene mutation

: mutation due to a chemical change in a gene

Medical Definition

gene mutation

: a permanent alteration (as a point mutation or frameshift mutation) in the nucleotide sequence of a gene
… there is a 50 percent chance each offspring will inherit the gene mutation and may develop the disease.Fred Cicetti
In early August the team published a study in Nature that chronicled how a single gene mutation in a laboratory strain of Escherichia coli could create a bacterium resistant to triclosan …Gary Stix
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!