mutations

Cultural  

1. Changes in chromosomes or genes that cause offspring to have characteristics different from those of their parents. Mutations can be caused by the effects of chemicals, radiation, or even ordinary heat on DNA. Mutations produce some of the differences between members of a species on which natural selection acts.

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Example Sentences

The report also identified "multiple potentially significant" mutations that may alter the bacterium's behaviour.

From BBC • Mar. 27, 2026

When mutations disrupt this channel, pH regulation is impaired.

From Science Daily • Mar. 26, 2026

Small mutations can have a big impact on the behaviour of the bacterium.

From BBC • Mar. 20, 2026

Beyond mammary cancer, the researchers identified similarities to human cancer mutations in tumors affecting the blood, bone, lungs, skin, gastrointestinal system, and central nervous system.

From Science Daily • Mar. 18, 2026

Their children inherited these mutations and thus generated new species, thereby driving evolution.

From "The Gene" by Siddhartha Mukherjee