
Mutation | Definition, Causes, Types, & Facts | Britannica
Dec 4, 2025 · 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 - Wikipedia
In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. [1] Viral genomes contain either DNA or RNA.
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 a Genetic Mutation? Definition & Types - Cleveland Clinic
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 should have.
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 …
Mutation – Types, Causes, Mechanisms, Agents, Importance
Sep 11, 2024 · Mutation is a permanent change in the DNA sequence of a gene or chromosome, which can result from errors in replication or environmental factors and can affect an organism’s traits.
MUTATION Definition & Meaning - Merriam-Webster
The meaning of MUTATION is a significant and basic alteration : change. How to use mutation in a sentence.
What Is a Genetic Mutation and Why Does It Matter?
Aug 6, 2025 · A genetic mutation occurs when there is a change in the DNA sequence. These changes can be caused by errors in DNA replication, environmental factors like radiation or chemicals, or …
Genetic Mutation: Definition, Types, Functions, and More - Health
Sep 23, 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 and Types of Mutations - Best Biology Notes
A mutation is a permanent change in the DNA sequence of an organism, affecting a single base, a gene segment, or entire chromosomes, which can alter traits, cause disease, or have no effect.