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lethal mutation

 - 4 dictionary results

lethal gene

 
Use lethal mutation in a Sentence
–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. 2009.
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Medical Dictionary

Main Entry: lethal gene
Function: noun
: a gene that in some (as homozygous) conditions may prevent development or cause the death of an organism or its germ cells calledalso lethal factor, lethal mutant, lethal mutation
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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

lethal mutation n.
A mutant trait that leads to a phenotype incapable of effective reproduction.

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