Changes in chromosomes or genes that cause offspring to have characteristics different from those of their parents. Mutations can be caused by the effects of chemicals, radiation, or even ordinary heat on DNA. Mutations produce some of the differences between members of a species on which natural selection acts.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
How to use mutations in a sentence
I love seeing memes take off and spark mutations and parodies and homages.Death of the Author by Viral Infection: In Defense of Taylor Swift, Digital Doomsayer | Arthur Chu | December 3, 2014 | THE DAILY BEAST
This means that their gene pools stagnate and accumulate increasingly harmful mutations.Our Taste for Cheap Palm Oil Is Killing Chimpanzees | Carrie Arnold | July 11, 2014 | THE DAILY BEAST
Over time, researchers were able to link many of these disorders with mutations in single genes.
Throughout the process the program throws in random changes in a command or variable— these are mutations.This is What Happens When You Teach Machines the Power of Natural Selection | James Barrat | February 1, 2014 | THE DAILY BEAST
A student has the freedom to write a paper that points out that highly complex life may not be explained by chance mutations.
He found that new species of plants and animals arise suddenly by "mutations" or steps.A Civic Biology | George William Hunter
Epistolary forms and fashions have had their mutations like all other human things.
Such is the vicissitude of human affairs, that within a few years many strange mutations occur, even in places of no great extent.Female Scripture Biographies, Vol. I | Francis Augustus Cox
However, all the mutations so increasingly discernible in village life did not originate entirely in the agricultural unrest.Tess of the d'Urbervilles | Thomas Hardy
A gigantic satire upon the mutations of his nymph during the past twenty years seemed looming in the distance.The Well-Beloved | Thomas Hardy