Dynamic mutation
Dynamic Mutation
Dynamic mutation (pronunciation: dy·nam·ic mu·ta·tion) is a type of genetic mutation that involves the expansion of trinucleotide repeat sequences in the DNA.
Etymology
The term "dynamic mutation" is derived from the Greek word "dynamis" meaning power, and the Latin word "mutatio" meaning change. It refers to the powerful changes that these mutations can cause in the genetic code.
Definition
A dynamic mutation is a type of mutation that occurs when a sequence of three nucleotides, known as a trinucleotide repeat, is expanded in the DNA. This expansion can lead to a variety of genetic disorders, including Huntington's disease, Fragile X syndrome, and myotonic dystrophy.
Related Terms
- Genetic mutation: A change in the DNA sequence that makes up a gene.
- Trinucleotide repeat: A sequence of three nucleotides that is repeated in the DNA.
- DNA: Deoxyribonucleic acid, the molecule that carries genetic information in all living organisms.
- Huntington's disease: A genetic disorder that causes the progressive breakdown of nerve cells in the brain.
- Fragile X syndrome: A genetic condition that causes a range of developmental problems including learning disabilities and cognitive impairment.
- Myotonic dystrophy: A type of muscular dystrophy that affects muscles and other body systems.
External links
- Medical encyclopedia article on Dynamic mutation
- Wikipedia's article - Dynamic mutation
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