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 virus is able to mix and match its genes with local influenza viruses if one animal is infected with multiple flu viruses. Gabrielle Emanuel, NPR, 7 Feb. 2025 This is basically a mechanism where methyl groups are added to segments of DNA, essentially turning a gene on or off. New Atlas, 2 Feb. 2025 In an old but often-cited Danish study on twins, researchers found that about 25 percent of longevity was heritable—in other words, predetermined by your genes. Corey Buhay, Outside Online, 1 Feb. 2025 To detect for authenticity, a test strip is placed into a DNA sample solution and examines for the presence of a gene specific to Atlantic white shrimp, which are particularly prone to substitution. Christopher Cann, USA TODAY, 28 Jan. 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

Dictionary Entries Near gene

Cite this Entry

“Gene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gene. Accessed 11 Feb. 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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