About 260,000 results
Open links in new tab
  1. 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 …

  2. MUTATION Definition & Meaning - Merriam-Webster

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

  3. Mutation

    2 days ago · A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.

  4. Mutation - Wikipedia

    Mutation can result in many different types of change in sequences. Mutations in genes can have no effect, alter the product of a gene, or prevent the gene from functioning properly or completely. …

  5. MUTATION Definition & Meaning | Dictionary.com

    Most mutations occur in junk DNA and have no discernible effects on the survivability of an organism. Of the remaining mutations, the majority have harmful effects, while a minority can increase an …

  6. Mutation - Definition, Types, Examples and Quiz | Biology Dictionary

    Apr 28, 2017 · At the simplest level, a mutation is a change or transformation. In biology, mutations refer to changes in chromosomes and genes, which typically manifest physically. The effect of a mutation …

  7. 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 through the …

  8. MUTATION | English meaning - Cambridge Dictionary

    MUTATION definition: 1. the way in which genes change and produce permanent differences: 2. a permanent change in an…. Learn more.

  9. 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 …

  10. 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 failure of the …