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was mutating

  • past progressive
    of mutate.
    mutate
    verb (used with object)
    to change; alter.

Example Sentences

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See Examples For:

This implies that the virus was mutating in infected animals being sold on-site, rather than originating in research labs across the river.

From Slate ● Feb. 27, 2023

Hawkins had recently joined a lab at Boston Children’s Hospital that was mutating the DNA of zebrafish to create skeletal abnormalities.

From Science Magazine ● Feb. 4, 2021

The new studies have also calmed fears that Ebola in West Africa was mutating at a higher rate than scientists had anticipated based on past outbreaks.

From New York Times ● Jun. 19, 2015

“As the epidemic spread, it created many chains of infections, each of which was mutating in a different direction,” says viral geneticist Trevor Bedford at the Fred Hutchinson Cancer Research Center in Seattle, Washington.

From Nature ● May 12, 2015

Ernie glared back in the mirror, picking at his face, a big pimple in the middle of his forehead like he was mutating into a unicorn.

From "As Brave As You" by Jason Reynolds