back mutation

noun Genetics.

a mutation of an existing mutant gene that restores it to its previous form.

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decorum
the act of or need for making up one's mind.
dignified propriety of behavior, speech, dress, etc.
a company of singers, especially an organized group employed in church service.
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Also called reverse mutation.

Origin of back mutation

First recorded in 1935–40

Words nearby back mutation

back line , back lot, back marker, back matter, back molding, back mutation, back nine, back number, back o' beyond, back o' bourke, back of
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for back mutation

back mutation

noun

genetics the reversion of a mutant to the original phenotype
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012