- umber mutation
- see nonsense m.
Medical dictionary. 2011.
umber mutation
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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
Cinnamon budgerigar mutation — The Cinnamon budgerigar mutation is one of approximately 30 mutations affecting the colour of budgerigars. It is the underlying mutation of the Cinnamon variety and, with Ino, a constituent mutation of the Lacewing variety. Contents 1 Appearance… … Wikipedia
Nonsense mutation — A mutation (a change) in a base in the DNA that prematurely stops the translation (reading) of messenger RNA (mRNA) resulting in a polypeptide chain that ends prematurely and a protein product that is truncated (abbreviated) and incomplete and… … Medical dictionary
Stop codon — In the genetic code, a stop codon (or termination codon) is a nucleotide triplet within messenger RNA that signals a termination of translation.[1] Proteins are based on polypeptides, which are unique sequences of amino acids. Most codons in… … Wikipedia
Genetic code — A series of codons in part of a messenger RNA (mRNA) molecule. Each codon consists of three nucleotides, usually representing a single amino acid. The nucleotides are abbreviated with the letters A, U, G and C. This is mRNA, which uses U (uracil) … Wikipedia
Bacterial Genetic Nomenclature — is a set of generally accepted rules and conventions used for naming bacterial genes. Standards for were proposed in 1966 by Demerec et al. [Demerec M et al. (1966) A proposal for a uniform nomenclature in bacterial genetics. Genetics 54:61 76] … Wikipedia
