Section: STEM · BiologyDifficulty: Medium

Genetic Mutation

USUK
US/ʤəˈnɛtɪk mjuˈteɪʃən/

A permanent change in the DNA sequence of an organism's genome.

Also: gene mutation

Definition

A genetic mutation is a permanent alteration in the nucleotide sequence of an organism's DNA. Mutations can be point mutations (single base changes), insertions, deletions, or chromosomal rearrangements. They may occur spontaneously during DNA replication or be induced by mutagens such as UV radiation or chemicals. Mutations can be neutral, harmful, or occasionally beneficial, and they are the ultimate source of genetic variation in populations.

Example

A single point mutation in the HBB gene changes one amino acid in hemoglobin, causing red blood cells to deform into a sickle shape under low-oxygen conditions, resulting in sickle cell disease.

Usage Examples

  1. 1

    The team applied genetic mutation best practices to improve their biology outcomes significantly.

  2. 2

    Understanding genetic mutation is essential for anyone building a career in STEM.

When & How to Use

Use 'Genetic Mutation' when working in Biology contexts where a genetic mutation is a permanent alteration in the nucleotide sequence of an organism's dna.

  • Applying genetic mutation principles during a biology project or initiative
  • Explaining genetic mutation to a junior team member or stakeholder unfamiliar with STEM
  • Evaluating options or proposals using genetic mutation as a decision-making criterion

Etymology & Origin

The term 'Genetic Mutation' derives from Latin roots and entered STEM professional usage as the field formalised in the 20th century.

History & Evolution

The concept of genetic mutation has evolved alongside STEM. Early practitioners relied on informal methods; structured approaches emerged with the professionalisation of biology in the mid-20th century. Today, genetic mutation is a standard part of STEM practice globally.

Synonyms

  • gene mutation
  • DNA change
  • sequence alteration
  • genetic variation

Antonyms / Opposites

  • wild type
  • unmutated gene

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