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lethal gene

American  

noun

Genetics.
  1. a gene that under certain conditions causes the death of an organism.


Etymology

Origin of lethal gene

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Male offspring survive to pass on the lethal gene.

From Science Magazine Sep. 17, 2019

The company created a strain of Aedes aegypti—the mosquito species that transmits the Zika and chikungunya viruses—designed to spread a lethal gene and dramatically cut down populations.

From Science Magazine Jan. 27, 2017

By the end of 2015, there was a reduction in wild mosquito larvae — as opposed to larvae inheriting the lethal gene — of 82 percent, the company said.

From New York Times Jan. 30, 2016

The company's patented technique involves the insertion of a lethal gene into insect embryos.

From BBC Feb. 24, 2015

When the modified mosquitoes mate with the local A. aegyptimosquitoes, they spread the lethal gene through the population, in theory causing it to crash.

From Scientific American Aug. 8, 2011

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