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 (4,156 words) - 21:26, 1 April 2024
substitution matrices include the blocks substitution (BLOSUM) and point accepted mutation (PAM) matrices. Both are based on taking sets of high-confidence...
22 KB (2,553 words) - 08:59, 31 July 2024
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...
118 KB (14,194 words) - 00:55, 11 October 2024
bases. One of the first amino acid substitution matrices, the PAM (Point Accepted Mutation) matrix was developed by Margaret Dayhoff in the 1970s. This matrix...
15 KB (2,105 words) - 07:00, 24 September 2024
biomedicine Pneumatic artificial muscles, used in artificial limbs Point accepted mutation, a type of similarity matrix in computational biology Positive...
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databases. She originated one of the first substitution matrices, point accepted mutations (PAM). The one-letter code used for amino acids was developed by...
25 KB (2,611 words) - 15:15, 20 August 2024
ancestor, mismatches can be interpreted as point mutations and gaps as indels (that is, insertion or deletion mutations) introduced in one or both lineages in...
56 KB (6,915 words) - 18:45, 3 October 2024
Acromelanism (redirect from Point (coat colour))
Western-developed modern breeds. It is a form of partial albinism resulting from a mutation that affects tyrosinase, an enzyme involved with melanin production. The...
11 KB (1,238 words) - 11:51, 28 September 2024
A splice site mutation is a genetic mutation that inserts, deletes or changes a number of nucleotides in the specific site at which splicing takes place...
14 KB (1,719 words) - 23:01, 31 March 2024
BRCA mutation is a mutation in either of the BRCA1 and BRCA2 genes, which are tumour suppressor genes. Hundreds of different types of mutations in these...
72 KB (8,964 words) - 00:26, 24 July 2024
A behaviour mutation is a genetic mutation that alters genes that control the way in which an organism behaves, causing their behavioural patterns to change...
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Siamese cat (redirect from Blue-point siamese cat)
The breeding also created the hair-mutation breeds, including the Cornish Rex, Sphynx, Peterbald, and blue-point Siamese cat. A description and depiction...
35 KB (4,031 words) - 19:01, 10 October 2024
Ragdoll (redirect from Seal point pure bred ragdoll)
Opinions vary as to whether this trait might be the result of genetic mutation or merely an instinctive reaction from being picked up as kittens by their...
21 KB (2,236 words) - 02:43, 14 August 2024
Evolution (redirect from Mutation-selection)
allele reaches the point of fixation—when it either disappears from the population or replaces the ancestral allele entirely. Mutations are changes in the...
238 KB (24,717 words) - 15:06, 14 September 2024
of a normal cat's tail. This is the result of a cat body type genetic mutation affecting the tail development, similar to that of a Manx cat. The breed...
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Japanese Bobtail (section Mutation)
tail must not exceed three inches from the point of extension to the tailbone. See also Cat body-type mutation: Tail types Recent scientific studies on...
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(2014) Biased polyphenism in polydactylous cats carrying a single point mutation: the Hemingway model for of digit novelty. Evolutionary Biology, 41...
36 KB (3,880 words) - 04:43, 21 September 2024
phenomenon in genetics in which the effect of a gene mutation is dependent on the presence or absence of mutations in one or more other genes, respectively termed...
53 KB (5,856 words) - 21:51, 23 May 2024
Korat (redirect from Thai Lilac Point)
breeds for gangliosidosis 1 and gangliosidosis 2. An autosomal recessive mutation in the GBL1 and HEXB gene respectively is responsible for the conditions...
11 KB (1,216 words) - 23:44, 1 July 2024
Carcinogenesis (section Multiple mutations)
and organs. According to the prevailing accepted theory of carcinogenesis, the somatic mutation theory, mutations in DNA and epimutations that lead to cancer...
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Hahn LB, Cowley GS, Yandell DW, Sandberg MA, Berson EL (1990). "A point mutation of the rhodopsin gene in one form of retinitis pigmentosa". Nature....
63 KB (6,338 words) - 18:53, 1 October 2024
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...
39 KB (4,785 words) - 21:30, 22 September 2023
random mutations on an individual solution. A mutation that increases fitness is always accepted. A mutation that lowers fitness is accepted probabilistically...
68 KB (8,038 words) - 11:58, 29 September 2024
Pleiotropy (redirect from Pleiotropic mutation)
exhibits multiple phenotypic expression is called a pleiotropic gene. Mutation in a pleiotropic gene may have an effect on several traits simultaneously...
40 KB (4,786 words) - 14:15, 5 August 2024
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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acid in a protein due to point mutation in the corresponding DNA sequence. It is caused by nonsynonymous missense mutation which changes the codon sequence...
25 KB (1,451 words) - 07:20, 22 May 2024
gigantism. Two specific mutations in the AIP gene have been identified as possible causes of pituitary adenomas. These mutations also have the ability to...
20 KB (2,046 words) - 09:10, 5 October 2024
which offered no mechanism for evolution. Mutationism did propose a mechanism, but it was not generally accepted. The modern synthesis a generation later...
55 KB (5,843 words) - 02:56, 5 May 2024
effects of two beneficial mutations in the same individual (i.e. sex aids in the spread of advantageous traits) without the mutations having to have occurred...
79 KB (9,495 words) - 20:43, 20 August 2024
Siamese-style point coloration and sapphire-blue eyes. The Balinese is also known as the purebred long-haired Siamese since it originated as a natural mutation of...
15 KB (1,736 words) - 03:00, 11 October 2024