gene

noun

plural genes
: a specific sequence of nucleotides in DNA or RNA that is located usually on a chromosome and that is the functional unit of inheritance controlling the transmission and expression of one or more traits by specifying the structure of a particular polypeptide and especially a protein or controlling the function of other genetic material

Examples of gene in a Sentence

She inherited a good set of genes from her parents.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Caris Life Sciences, a cancer diagnostics company based in Irving, Texas, uses gene sequencing, AI and machine learning to detect and monitor disease. Amy Feldman, Forbes.com, 18 June 2025 Verve Therapeutics — Shares rallied 77% in the premarket after the gene editing company agreed to be acquired by Eli Lilly for $10.50 per share, a premium of 67.5% on the company's last close. Pia Singh, CNBC, 17 June 2025 Cahn said that, for each gene, a cat inherits one copy, called an allele, from each parent. Maria Azzurra Volpe, MSNBC Newsweek, 16 June 2025 They’re joined as these rogue genes from an early age, who challenge each other, love each other, and drive each other on. Anne Thompson, IndieWire, 5 June 2025 See All Example Sentences for gene

Word History

Etymology

German Gen, short for Pangen, from pan- + -gen

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of gene was in 1909

Cite this Entry

“Gene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gene. Accessed 29 Jun. 2025.

Kids Definition

gene

noun
: a part of DNA or sometimes RNA that is usually located on a chromosome and that contains chemical information needed to make a particular protein (as an enzyme) controlling or influencing an inherited bodily trait or activity (as eye color or metabolism) or that influences or controls the activity of another gene or genes

Medical Definition

gene

noun
: a specific sequence of nucleotides in DNA or RNA that is located usually on a chromosome and that is the functional unit of inheritance controlling the transmission and expression of one or more traits by specifying the structure of a particular polypeptide and especially a protein or controlling the function of other genetic material

called also determinant, determiner, factor

More from Merriam-Webster on gene

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