A point mutation is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome...
36 KB (4,450 words) - 22:55, 24 May 2025
A point accepted mutation — also known as a PAM — is the replacement of a single amino acid in the primary structure of a protein with another single...
31 KB (4,261 words) - 10:02, 27 May 2025
In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain...
119 KB (14,264 words) - 20:05, 22 May 2025
In genetics, a nonsense mutation is a point mutation in a sequence of DNA that results in a nonsense codon, or a premature stop codon in the transcribed...
31 KB (2,878 words) - 14:01, 23 May 2025
In genetics, a missense mutation is a point mutation in which a single nucleotide change results in a codon that codes for a different amino acid. It is...
45 KB (4,553 words) - 15:58, 22 May 2025
be flipped. This mutation procedure, based on the biological point mutation, is called single point mutation. Other types of mutation operators are commonly...
21 KB (2,273 words) - 06:32, 23 May 2025
Progerin (section Point mutation)
sporadic single point nucleotide polymorphism c.1824 C>T (GGC -> GGT, p.Gly608Gly) in the gene that codes for matured Lamin A. This mutation activates a cryptic...
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germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ova). Mutations in...
25 KB (3,085 words) - 03:46, 17 September 2024
single type of mutation; there are many different types of mutations. Mutation rates are given for specific classes of mutations. Point mutations are a class...
28 KB (3,330 words) - 01:43, 17 April 2025
Dibucaine number (section Point mutation)
number is used to differentiate individuals who have substitution mutations (point mutations) of the enzyme's gene, resulting in decreased enzyme function...
11 KB (1,443 words) - 23:41, 26 January 2025
mutations in this gene. Type I and Type II cancers (explained below) tend to have different mutations involved. ARID1A, which often carries a point mutation...
105 KB (10,815 words) - 19:47, 24 May 2025
A frameshift mutation (also called a framing error or a reading frame shift) is a genetic mutation caused by indels (insertions or deletions) of a number...
36 KB (4,728 words) - 21:46, 4 October 2024
Coding region (section Mutation types)
nonsense mutations, where base alterations in the coding region code for a premature stop codon, producing a shorter final protein. Point mutations, or single...
22 KB (2,514 words) - 21:25, 25 May 2025
Silent mutations, also called synonymous or samesense mutations, are mutations in DNA that do not have an observable effect on the organism's phenotype...
27 KB (3,318 words) - 22:48, 19 March 2025
this point mutation. This point mutation disrupts the mitochondrial gene for tRNA-Lys. This disrupts the synthesis of proteins. The remaining mutations only...
18 KB (1,926 words) - 14:54, 1 October 2024
are three types of point mutations; silent mutations, missense mutations and nonsense mutations. Silent mutations A silent mutation occurs when a change...
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grape. It is a point genetic mutation of Pinot noir. Pinot noir is genetically unstable and will occasionally experience a point mutation in which a vine...
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creates a point mutation converting the GCA codon to ACA. If the strand switch event is followed by a second round of DNA replication, the mutation may become...
31 KB (3,451 words) - 17:17, 28 May 2025
About 10% of cases are related to inherited genetic risk; women with mutations in the genes BRCA1 or BRCA2 have about a 50% chance of developing the...
199 KB (21,268 words) - 15:31, 23 May 2025
form of the Hemingway (Hw) mutant the variation is induced by a single point mutation in a noncoding cis-regulatory element for SHH. In an extensive phenotypic...
17 KB (1,902 words) - 17:20, 15 January 2025
analysis is a powerful technique in molecular biology for the detection of mutations, polymorphisms and epigenetic differences in double-stranded DNA samples...
18 KB (2,581 words) - 21:26, 25 May 2025
Aromatase deficiency (section Gene Mutation)
the body. It is an autosomal recessive disease resulting from various mutations of gene CYP19 (P450arom) which can lead to ambiguous genitalia and delayed...
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a family with inherited pain insensitivity and identified a "novel point mutation in ZFHX2, encoding a putative transcription factor expressed in small...
17 KB (1,854 words) - 14:00, 27 May 2025
of a political position Point mutation, a change in a single nucleotide Take point (or walk point, be on point, or be a point man), to be the lead, and...
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TATA box (section Point mutations)
sequence and mechanism of TATA box initiation, mutations such as insertions, deletions, and point mutations to this consensus sequence can result in phenotypic...
40 KB (4,806 words) - 23:31, 24 May 2025
random mutations. Purging of deleterious alleles can be achieved on the population genetics level, with as little as a single point mutation being the...
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Stop codon (redirect from Amber mutation)
codons. A nonstop mutation, also called a stop-loss variant, is a point mutation that occurs within a stop codon. Nonstop mutations cause the continued...
30 KB (2,823 words) - 18:36, 24 May 2025
a mutation in mitochondrial DNA, which consists of a circular genome. It is associated with the genes MT-TL1, MT-TE, and MT-TK. The point mutation at...
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self-esteem, or result in clumsiness. It is associated with at least 39 genetic mutations. It may either present alone or with other defects. Cases may run in families...
63 KB (7,279 words) - 00:43, 25 May 2025
nonsense, or intronic) point mutation, with an expansion in one allele and a point mutation in the other. A missense point mutation can have milder symptoms...
47 KB (4,978 words) - 19:35, 13 December 2024