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Definitions

mutation

[myoo-tey-shuhn] / myuˈteɪ ʃən /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Scientists have rejected the idea that a recent mutation made the Andes virus transmissible between humans.

From Barron's • May 15, 2026

Bourla teased upcoming updates for Braftovi, a treatment targeting a specific mutation found in about 10% of metastatic colon cancer cases.

From Barron's • May 5, 2026

They sought out genetic testing, which confirmed both children have the mutation that Regeneron’s drug targets.

From The Wall Street Journal • Apr. 23, 2026

More than 90% of pancreatic tumors carry a mutation called RAS, which accelerates tumor growth and historically has been nearly impossible to treat with drugs.

From The Wall Street Journal • Apr. 21, 2026

If a mutation inactivated even one function, the mold would be unable to grow—unless the missing ingredient was supplied back into the broth.

From "The Gene" by Siddhartha Mukherjee




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