Definition of Lethal gene

1. Noun. Any gene that has an effect that causes the death of the organism at any stage of life.

Generic synonyms: Cistron, Factor, Gene

Definition of Lethal gene

1. Noun. any gene which brings about the death of an organism carrying it; usually the result of a mutation ¹

¹ Source:

Medical Definition of Lethal gene

1. A gene that produces a genotype that leads to death of the organism before reproduction is possible or that precludes reproduction; for a recessive gene the homozygous or hemizygous state is lethal. (05 Mar 2000)

Lethal Gene Pictures

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Lexicographical Neighbors of Lethal Gene

lethal agent
lethal coefficient
lethal dose
lethal dose 50
lethal dwarfism
lethal equivalent
lethal factor
lethal gene (current term)
lethal injection
lethal injections
lethal midline granuloma
lethal mutation
lethality rate
lethargic encephalitis
lethargic hypnosis

Literary usage of Lethal gene

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Physical Basis of Heredity by Thomas Hunt Morgan (1919)
"The lethal gene that appeared in the beaded stock was also in the third chromosome, ... The lethal gene lies so near to the level of the beaded-normal ..."

2. Heredity and Environment in the Development of Men by Edwin Grant Conklin (1922)
"peared which cause the early death of those zygotes in which the lethal gene is not balanced by a normal ..."

3. Genetics; an Introduction to the Study of Heredity by Herbert Eugene Walter (1922)
"... D (yellow) is a lethal gene when present in duplex (DD) form. The DDs drop out entirely which leaves the proportion approximately two DRs and one RR. ..."

4. Biological Effects of Power Line Fields Scientific Advisory Panels Final Report by DIANE Publishing Company (1994)
"Several endpoints were investigated after exposure of both male and female gametes, including frequency of dominant lethal gene mutations (DLN test), ..."

5. Intra-Household Resource Allocation by Beatrice Lorge Rogers, Nina P. Schlossman (1990)
"Yet this did not explain the sex differences in infection rates in adults but not in children, nor how such a lethal gene could persist. ..."

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