genetic drift
noun
: random changes in gene frequency especially in small populations when leading to preservation or extinction of particular genes
Examples of genetic drift in a Sentence
Recent Examples on the Web
Coop’s research uses mathematical models and genomic data to explore how natural selection, genetic drift, and environmental forces shape genetic variation in human populations and other species.
—
Sacbee.com, 12 May 2025
The answer could come down to an evolutionary process called genetic drift.
—Quanta Magazine, 18 Dec. 2024
In addition, some wild animals in zoos have been bred under human care and over time, might become susceptible to allergies through genetic drift.
—Jen McCaffery, Discover Magazine, 14 Nov. 2024
But genetic drift works to preserve mutations across generations.
—Paul Smaglik, Discover Magazine, 27 June 2024
See All Example Sentences for genetic drift
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.
Sacbee.com, 12 May 2025
The answer could come down to an evolutionary process called genetic drift.
—Quanta Magazine, 18 Dec. 2024
In addition, some wild animals in zoos have been bred under human care and over time, might become susceptible to allergies through genetic drift.
—Jen McCaffery, Discover Magazine, 14 Nov. 2024
But genetic drift works to preserve mutations across generations.
—Paul Smaglik, Discover Magazine, 27 June 2024
See All Example Sentences for genetic drift
Cite this Entry
“Genetic drift.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20drift. Accessed 29 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share