lethal gene

lethal gene

noun Genetics.
a gene that under certain conditions causes the death of an organism.
Also called lethal factor, lethal mutation.


Origin:
1935–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Lethal gene is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
American Heritage
Medical Dictionary

lethal gene n.
A gene whose expression results in the death of the organism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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