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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
But genetic drift works to preserve mutations across generations.
—Paul Smaglik, Discover Magazine, 27 June 2024
And in small populations, genetic drift is more influential than many people realize.
—Quanta Magazine, 2 May 2024
In large populations, the effects of genetic drift are minimal.
—Quanta Magazine, 2 May 2024
One of them is genetic drift, which introduces random shifts in genetic variation across generations.
—Quanta Magazine, 2 May 2024
See all Example Sentences for genetic drift
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'genetic drift.' 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
1945, in the meaning defined above
Dictionary Entries Near genetic drift
Cite this Entry
“Genetic drift.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20drift. Accessed 5 Nov. 2024.
Medical Definition
genetic drift
noun
: random changes in gene frequency especially in small populations when leading to preservation or extinction of particular genes
More from Merriam-Webster on genetic drift
Britannica.com: Encyclopedia article about genetic drift
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