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.
The therapy works by delivering a healthy copy of the OTOF gene to key cells in the inner ear, helping to restore the protein otoferlin so auditory signals can be sent to the brain, according to the FDA. Angelica Stabile, FOXNews.com, 24 Apr. 2026 There was a part in the genome [in the gene C9ORF72] that was six letters, GGGGCC, repeated three times. Allison Parshall, Scientific American, 24 Apr. 2026 Otarmeni delivers a working copy of the gene. Angelica Peebles, CNBC, 24 Apr. 2026 The drug works by replacing the faulty OTOF gene, which is supposed to work by giving the body instructions to make a protein called otoferlin. Berkeley Lovelace Jr, NBC news, 23 Apr. 2026 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 27 Apr. 2026.

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

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