Repetitive Sequences, Nucleic Acid
Sequences of DNA or RNA that occur in multiple copies. There are several types: INTERSPERSED REPETITIVE SEQUENCES are copies of transposable elements (DNA TRANSPOSABLE ELEMENTS or RETROELEMENTS) dispersed throughout the genome. TERMINAL REPEAT SEQUENCES flank both ends of another sequence, for example, the long terminal repeats (LTRs) on RETROVIRUSES. Variations may be direct repeats, those occurring in the same direction, or inverted repeats, those opposite to each other in direction. TANDEM REPEAT SEQUENCES are copies which lie adjacent to each other, direct or inverted (INVERTED REPEAT SEQUENCES).
Year introduced: 1981
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Subheadings:
Tree Number(s): G02.111.570.080.708, G05.360.080.708
MeSH Unique ID: D012091
Entry Terms:
- Nucleic Acid Repetitive Sequences
- Selfish DNA
- DNAs, Selfish
- Selfish DNAs
- DNA, Selfish
- Direct Repeat
- Direct Repeats
- Repeat, Direct
- Repeats, Direct
- DNA Repetitious Region
- DNA Repetitious Regions
- Repetitious Regions, DNA
- Repetitious Region, DNA
- Repetitive Region
- Repetitive Regions
- Repetitive Sequence
- Repetitive Sequences
- Selfish Genes
- Gene, Selfish
- Selfish Gene
- Genes, Selfish
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