Point mutation — Illustration of three types of point mutations. A point mutation, or single base substitution, is a type of mutation that causes the replacement of a single base nucleotide with another nucleotide of the genetic material, DNA or RNA. Often the… … Wikipedia
Mutation — A permanent change, a structural alteration, in the DNA or RNA. In humans and many other organisms, mutations occur in DNA. However, in retroviruses like HIV, mutations occur in RNA which is the genetic material of retroviruses. In most cases,… … Medical dictionary
point mutation — genų mutacija statusas T sritis augalininkystė apibrėžtis Mutacija, vykstanti geno viduje dėl jo sandaros pakitimo. atitikmenys: angl. gene mutation; point mutation rus. генная мутация; точечная мутация; точковая мутация ryšiai: sinonimas –… … Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas
mutation — [ mytasjɔ̃ ] n. f. • XIIe; lat. mutatio 1 ♦ Didact. Changement. ⇒ transformation. « nos actions, qui sont en perpétuelle mutation » (Montaigne). Les alchimistes espéraient obtenir la mutation des métaux en or. ⇒ conversion, transmutation. ♢… … Encyclopédie Universelle
Point accepted mutation — (PAM), is a set of matrices used to score sequence alignments. The PAM matrices were introduced by Margaret Dayhoff in 1978 based on 1572 observed mutations in 71 families of closely related proteins.[1] Each matrix has the twenty standard amino… … Wikipedia
Mutation Consonantique — Pour les articles homonymes, voir Mutation. La mutation consonantique, en synchronie, est une modification phonétique qui voit la consonne d un mot changer selon son environnement morphologique ou syntaxique. Elle relève de la morphophonologie.… … Wikipédia en Français
Point (coat color) — Point coloration refers to animal coat coloration with a pale body and relatively darker extremities, i.e. the face, ears, feet, tail, and (in males) scrotum. It is most recognized as the coloration of Siamese and other breeds of cat, but can be… … Wikipedia
Mutation frequency — refers to the number or frequency of cells with a specific mutation in a given population during a point in time. The phrase is often used in relation to drug resistance in bacterial or viral cultures. Mutation frequency is related to the concept … Wikipedia
Point — may refer to the following: Contents 1 Business and finance 2 Engineering 3 Entertainment … Wikipedia
point mutation — point mutation. См. точковая мутация. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) … Молекулярная биология и генетика. Толковый словарь.
