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lethal gene

   Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
lethal gene
n.
A gene whose expression results in the death of the organism, usually during embryogenesis.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.lethal genelethal gene - any gene that has an effect that causes the death of the organism at any stage of life
cistron, gene, factor - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"


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? Mentioned in ? References in periodicals archive
 
The discovery of a lethal gene in Holsteins may explain why pregnancy rates have dropped 20% in Holsteins over the last two decades.
Lethal gene may explain sharp drop in Holstein fertility by Dairy Today
In one fruit fly line, the team inserted a three-part genetic time bomb: a lethal gene that disrupts signaling in cells, a switch controlling it that flips only in females, and a control for that switch that keeps it in its off state when the fly consumes the antibiotic tetracycline.
Lady-killing genes offer pest control by Milius, S. / Science News
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