back mutation

back mu·ta·tion

reversion of a gene to an ancestral form due to further mutation to the original codon or one coding for the same amino acid.

Synonym(s): reverse mutation

Farlex Partner Medical Dictionary © Farlex 2012

back mutation

n.

A reversal process whereby a gene or other nucleotide sequence that has undergone mutation returns to its previous state.

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

back mutation

The return of a gene to its original nucleotide sequence after a mutation.

Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

back mutation

an inherited change (MUTATION) in a mutant gene that causes it to regain its WILD TYPE function. Compare FORWARD MUTATION.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005