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

"Each hantavirus has evolved since ancient times along with its rodent host without undergoing significant mutations," Lazaro said.

From Barron's • May 15, 2026

It then builds a personalized blood test to hunt for those mutations in the patient’s future blood draws.

From The Wall Street Journal • May 14, 2026

And so, we found two genetic mutations of mine.

From The Wall Street Journal • May 7, 2026

One study Shain co-authored found that tanning beds accelerate DNA mutations in parts of the body not typically exposed to the sun, leading to a nearly threefold increase in indoor tanners’ lifetime melanoma risk.

From Los Angeles Times • May 6, 2026

Many chemicals used as pesticides — herbicides as well as insecticides — belong to this group of substances that have the ability to damage the chromosomes, interfere with normal cell division, or cause mutations.

From "Silent Spring" by Rachel Carson