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Showing results for "mutations"

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.


Example Sentences

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Among North Eurasian populations, chitinase genes contain mutations associated with a reduced ability to digest insect exoskeletons.

From Science Daily Aug. 27, 2026

Together, the RAS mutations drive as much as a third of all human cancers, including most pancreatic tumors.

From The Wall Street Journal Aug. 26, 2026

Melanoma has what is called a high tumor mutational burden, or TMB, which means it has many mutations inside the DNA, making it a strong target for this type of treatment.

From MarketWatch Aug. 20, 2026

The idea is to use mRNA to train the immune system to recognize tumor mutations and hunt down and kill cancer cells hiding around the body.

From The Wall Street Journal Aug. 19, 2026

And what of the many other pesticides that interfere with cell division, break chromosomes, cause mutations?

From "Silent Spring" by Rachel Carson

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