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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.

However, on the day of the transplant in 2020, the doctors were stunned to discover that the brother carried the CCR5 mutation.

From Barron's • Apr. 13, 2026

Even before the researchers found out the brother had a CCR5 mutation, they had some hope that the Oslo patient's HIV could be cured.

From Barron's • Apr. 13, 2026

The discovery is especially important for people with the C90RF72 mutation, the most common genetic cause of ALS and FTD.

From Science Daily • Apr. 9, 2026

Not everyone with this mutation develops disease, and this research helps explain why.

From Science Daily • Apr. 9, 2026

If the mutation rate is too high, we lose the inheritance of four billion years of painstaking evolution.

From "Cosmos" by Carl Sagan




Vocabulary lists containing mutation