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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.

Oxitec’s latest strain of GM mosquitoes is designed to spread the lethal gene more effectively.

From Science Magazine • Sep. 17, 2019

Male offspring survive to pass on the lethal gene.

From Science Magazine • Sep. 17, 2019

Only the eldest, Susan, didn't carry the lethal gene.

From BBC • Apr. 17, 2018

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

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