
Mutation | Definition, Causes, Types, & Facts | Britannica
Oct 31, 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 …
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 …
What Is a Genetic Mutation? Definition & Types - Cleveland Clinic
May 24, 2022 · What Is a Genetic Mutation? Definition & Types. Genetic mutations are changes to your DNA sequence that happen during cell division when your cells make copies of …
Mutations (article) | Khan Academy
Mutations can be considered harmful, beneficial, or neutral to an organism. Harmful mutations have negative effects on an organism’s health and survival. For example, some mutations …
What Is a Genetic Mutation and Why Does It Matter?
Aug 6, 2025 · When a mutation occurs in a germ cell and is passed to offspring, it becomes part of that individual’s genome. If the mutation improves survival or reproduction, it may spread …
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 …
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.
DNA and Mutations - Understanding Evolution
A mutation is a change in DNA, the hereditary material of life. An organism’s DNA affects how it looks, how it behaves, and its physiology. So a change in an organism’s DNA can cause …
Mutation Definition - BYJU'S
A mutation in biology is a modification of the nucleic acid sequence of a virus, extrachromosomal DNA, or the genome of an organism. The observable traits of an organism (phenotype) may or …
Mutation - Definition and Examples - Biology Online Dictionary
Mutation in general means a change or the process of changing, such as in nature, form, or quality. In biology, mutation refers to any change in the nucleotide sequence as a result of a …