definitions

back mutation

noun Genetics.

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

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Nearby words

back line , back lot, back marker, back matter, back molding, back mutation, back nine, back number, back o' beyond, back o' bourke, back of

Origin of back mutation

First recorded in 1935–40
Also called reverse mutation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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