Biology vocabulary · Genetics and Heredity

Mutation

Meaning in biology, with examples

/mjuːˈteɪʃən/nounCore term

In biology, mutation means: A permanent change in the DNA sequence of a gene or chromosome. It can be harmful, neutral or occasionally useful, and it is a source of genetic variation.

In Turkish: mutasyon

How it is used

Common types include point mutations, deletions, insertions and frameshift mutations. Mutations occur or arise, or are caused by mutagens such as UV light and certain chemicals. The verb is mutate, and an organism that carries a mutation is a mutant.

Example sentences

  1. A single point mutation in the hemoglobin gene causes sickle cell anemia.

  2. We screened the plant lines for mutations that affect flowering time.

Common collocations

  • point mutation
  • genetic mutation
  • harmful mutation
  • carry a mutation
  • mutation rate

This word in other fields

The same English word can have a different meaning in another field:

More terms: Genetics and Heredity

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