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.

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 …

2 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 …

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 …

The meaning of MUTATION is a significant and basic alteration : change. How to use mutation in a sentence.

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.

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 …

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.

Mutation is a change in DNA sequence caused naturally or by mutagens. Types include small gene mutation (like substitutions) and large chromosomal mutation (like deletions and …

Mutations can be beneficial, neutral, or harmful for the organism, but mutations do not “try” to supply what the organism “needs.” In this respect, mutations are random — whether a …