- a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome.
- an individual, species, or the like, resulting from such a departure.
Origin of mutation
Examples from the Web for mutation
Those with the disease have some cells that are genetically normal and some with the mutation.
For some illnesses, having a mutation in one specific gene usually—but not always—caused disease.
This was a mutation of a relationship that should, in theory, be unbreakably strong.Their Cordial Meeting Proves the Common Bonds of Obama and Pope Francis|Joshua DuBois|March 27, 2014|DAILY BEAST
If a mutation makes a single cell deaf to the needs of its body, it can develop into a tumor.‘Zoobiquity’: What Animals Can Teach Us About Our Health|Carl Zimmer|June 17, 2012|DAILY BEAST
The answer may be that the birther phenomenon is a mutation of a political virus called incoherence.
This theory of Mutation has been eagerly seized upon by many botanists.The Meaning of Evolution|Samuel Christian Schmucker
Be that as it may, the neo-Darwinians are inclined to admit that the periods of mutation are determinate.Creative Evolution|Henri Bergson
Dilution might make it not work—the mutation might not take place—but it couldnt make it half work.Greener Than You Think|Ward Moore
But suppose that no mutation occurs more frequently than the others.
At present our knowledge of the causes of variation and mutation is practically nil.
British Dictionary definitions for mutation
- (in Germanic languages) another name for umlaut
- (in Celtic languages) a phonetic change in certain initial consonants caused by a preceding word
Word Origin and History for mutation
late 14c., "action of changing," from Old French mutacion (13c.), and directly from Latin mutationem (nominative mutatio) "a changing, alteration, a turn for the worse," noun of action from past participle stem of mutare "to change" (see mutable). Genetic sense is from 1894.