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Dictionary » D » Duplication mutation

Duplication mutation

Definition

noun

A type of mutation in which a portion of a genetic material or a chromosome is duplicated or replicated, resulting in multiple copies of that region.


Supplement

Duplication results from an unequal crossing-over between misaligned homologous chromosomes during meiosis. It may involve a replication of a portion of DNA, or of an entire chromosome.


Synonyms:


Compare: deletion mutation.
See also: mutation.


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Re: Increasing Information For Genetic Algorithm

... a particular sequence remain unchanged, the DNA will evolve to the most mutation-resistant encoding, but if adaptability is required, it will evolve ... on the verge of extinction (possibly from gene loss) whole genome duplication occurs that leads to "overnight" so to speak disappearance ...

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by Cat
Sun Sep 09, 2012 5:20 pm
 
Forum: Evolution
Topic: Increasing Information For Genetic Algorithm
Replies: 8
Views: 8715

cancers, chromosome mutations

chromosome mutations can be deletion, duplication, inversion or translocation Over-division isn't always caused by altered DNA sequences that code for ...

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by wildfunguy
Thu Aug 16, 2012 7:02 pm
 
Forum: Genetics
Topic: cancers, chromosome mutations
Replies: 6
Views: 4064

chromosome mutations and cell division

I want to ask if chromosome mutations occur in both mitosis and meiosis. And if a chromosome mutation covers the ... mean that this case is also a gene mutation? chromosome mutations can be deletion, duplication, inversion or translocation

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by biologyisgreat
Fri Jul 27, 2012 4:24 pm
 
Forum: Genetics
Topic: chromosome mutations and cell division
Replies: 2
Views: 1642

Re: Theories - Origin of Life

... I guess you're saying that any example of beneficial mutation is, in a sense, taken out of context because you think I'm not representing ... What evidence do you produce, that the course of the (random) gene duplications is what led to the present series of hemoglobin genes? Evolution ...

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by Luxorien
Fri Mar 23, 2012 7:22 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 600168

Creation of species through programmed evolution

... be chance phenomenon of descent with modification driven by random mutation and natural selection as hypothesized in Darwin’s theory. There ... of chromosomal sectors, shuffling of the sectors, replication, deletion duplication, translocation, mitosis, etc., in accordance with the bioprogram ...

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by PAWahid
Mon Jan 23, 2012 3:27 pm
 
Forum: Evolution
Topic: Creation of species through programmed evolution
Replies: 15
Views: 5976
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