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

Studies in both mice and people with mutations in the HSL gene showed the opposite effect.

From Science Daily • May 8, 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

Plants treated with various phenols suffered profound destruction of chromosomes, changes in genes, a striking number of mutations, “irreversible hereditary changes.”

From "Silent Spring" by Rachel Carson