| 释义 |
transversion
trans·ver·sion T0326050 (trănz-vûr′zhən)n. A point mutation in which a purine is replaced by a pyrimidine, or a pyrimidine is replaced by a purine.
[Probably trans- + (in)version.]transversion (trænzˈvɜːʃən) n1. a turning across, or into, something else2. (Microbiology) (in nucleic acid) the substitution of a purine for a pyrimidine, or vice versa, by mutationTranslationsTransversion
transversion[trans′vər·zhən] (cell and molecular biology) A mutation resulting from the substitution in deoxyribonucleic acid or ribonucleic acid of a purine for a pyrimidine or a pyrimidine for a purine. Transversion in biology, a type of mutation involving replacement of the nitrogenous base in deoxyribonucleic acid (DNA). In transversion, a purine base (adenine or thymine) is replaced by a pyrimidine base (guanine or cytosine), or vice versa. transversion
trans·ver·sion (trans-ver'zhŭn), 1. Substitution in DNA and RNA of a pyrimidine for a purine, or vice versa, by mutation. 2. In dentistry, the eruption of a tooth in a position normally occupied by another; transposition of a tooth. transversion (trănz-vûr′zhən)n. A point mutation in which a purine is replaced by a pyrimidine, or a pyrimidine is replaced by a purine.trans·ver·sion (trans-vĕr'zhŭn) 1. Substitution in DNA and RNA of a pyrimidine for a purine, or vice versa, by mutation. 2. dentistry The eruption of a tooth in a position normally occupied by another; transposition of a tooth. trans·ver·sion (trans-vĕr'zhŭn) In dentistry, eruption of a tooth in a position normally occupied by another; transposition of a tooth. |