DNA REPETITIOUS REGION
\dˌiːˌɛnˈe͡ɪ ɹˌɛpətˈɪʃəs ɹˈiːd͡ʒən], \dˌiːˌɛnˈeɪ ɹˌɛpətˈɪʃəs ɹˈiːdʒən], \d_ˌiː__ˌɛ_n_ˈeɪ ɹ_ˌɛ_p_ə_t_ˈɪ_ʃ_ə_s ɹ_ˈiː_dʒ_ə_n]\
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Nucleotide sequences present in multiple copies in the genome. There are several types of repeated sequences. Interspersed (or dispersed) DNA repeats (INTERSPERSED REPETITIVE SEQUENCES) are copies of transposable elements interspersed throughout the genome. Flanking (or terminal) repeats (TERMINAL REPEAT SEQUENCES) are sequences that are repeated on both ends of a sequence, for example, the long terminal repeats (LTRs) on retroviruses. Direct terminal repeats are in the same direction and inverted terminal repeats are opposite to each other in direction. Tandem repeats (TANDEM REPEAT SEQUENCES) are repeated copies which lie adjacent to each other. These can also be direct or inverted. The ribosomal RNA and transfer RNA genes belong to the class of middle repetitive DNA.
By DataStellar Co., Ltd
Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).