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 …
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 a mutation and what causes mutations? - YourGenome
What is a mutation? A mutation is a change that occurs in our DNA sequence. This can be caused by normal processes inside the cell or by environmental factors, such as UV light. DNA …
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.
What is a Mutation? Understanding DNA Changes and Their …
Apr 17, 2025 · It’s a change—a typo, an edit, a revision—in the DNA sequence that determines how a cell functions, how an organism develops, and sometimes, how life itself evolves. To …
What Is Genetic Mutation and Is It Always Bad?
Apr 21, 2025 · A mutation that increases an organism’s survival or reproductive success can spread rapidly through a population. Over time, such mutations can lead to significant changes …
What is Genetic Mutation and How Does it Affect Health?
Apr 17, 2025 · A genetic mutation is a permanent change in the DNA sequence that makes up a gene. DNA (deoxyribonucleic acid) is composed of sequences of four nucleotide bases: …
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 …