a gene that under certain conditions causes the death of an organism.
The Origins of 8 Classic Summer Food NamesRead more in this article about some frequently asked questions and fun facts related to our definitions.
Why Irish Spelling Looks Familiar Yet StrangeMarch 17th is St. Patrick’s Day, or Lá Fhéile Pádraig (Irish), named for one of the most recognized of the patron saints of Ireland, Saint Patrick, who died on this date around 493 A.D. While St. Patrick is famous for allegedly driving snakes out of Ireland, he is also responsible for the oldest known Gaelic composition in existence. This fact provides to explore the question …
- lethal chamber,
- lethal dose,
- lethal factor,
- lethal midline granuloma,
- lethal mutation,
Origin of lethal gene
First recorded in 1935–40
Also called lethal factor, lethal mutation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A mutant trait that leads to a phenotype incapable of effective reproduction.
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.