
Mutation - Wikipedia
In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. [1] . Mutations result from errors during replication, mitosis, meiosis, or …
Mutation | Definition, Causes, Types, & Facts | Britannica
Jan 16, 2026 · Mutation, an alteration in the genetic material (the genome) of a cell of a living organism or of a virus that is more or less permanent and that can be transmitted to the cell’s or the virus’s …
Mutation
3 days ago · A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called …
What is Mutation? - University of Utah
We often refer to a mutation as a thing—the genetic variation itself. This approach can be useful when it comes to a gene associated with a disease: the disease allele carries a mutation, a DNA change that …
Mutations - Understanding Evolution
Read more about how mutations are random and the famous Lederberg experiment that demonstrated this. Or read more about how mutations factored into the history of evolutionary thought. Or dig into …
What Is a Genetic Mutation? Definition & Types - Cleveland Clinic
May 24, 2022 · A genetic mutation changes the information your cells need to form and function. Your genes are responsible for making proteins that tell your body what physical characteristics you …
What is a Mutation? Understanding DNA Changes and Their Impact …
Apr 17, 2025 · To understand mutation is to appreciate both the fragility and resilience of life. It reveals how a single letter change in a molecule can alter the course of history—or the fate of an individual.
What Are Genetic Mutations, Their Causes, and Effects?
Aug 4, 2025 · A mutation is like a change in this recipe, such as a misplaced ingredient or an altered instruction. These changes can range from a single “letter” (nucleotide) being swapped for another, …
Genetic Mutation: Definition, Types, Functions, and More - Health
Dec 19, 2025 · A genetic mutation is an alteration in the genetic code found in DNA. Mutations can be harmful, neutral, or helpful and play a role in evolution.
MUTATION Definition & Meaning - Merriam-Webster
The meaning of MUTATION is a significant and basic alteration : change. How to use mutation in a sentence.