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Gene rearrangement

Gene rearrangement

a structural alteration of a chromosome that causes a change in the orderof its loci.


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Theories - Origin of Life

... and this reproductive isolation is always associated with chromosomal rearrangements and environment independent genetic incompatibilities. Yes, in sticklebacks , and they make this suggestion based on two ...

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by AstraSequi
Tue Mar 27, 2012 2:41 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929132

Re: Theories - Origin of Life

... that said, the referenced paper does clearly state:- Studies on the genetics, mate choice, ecology and morphology of these fish indicate that ... and this reproductive isolation is always associated with chromosomal rearrangements and environment independent genetic incompatibilities. The ...

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by scottie
Tue Mar 13, 2012 3:12 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929132

Re: Gene Rearrangement and Evolution

The overall DNA content does not change, although with "jumping genes" (Transposons) mutations can occur and change the DNA. Whether or not changing the sequence of genes in DNA is classed as changing the DNA would depend on the functionality of ...

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by Jesse2504
Sat Jul 04, 2009 8:42 am
 
Forum: Genetics
Topic: Gene Rearrangement and Evolution
Replies: 1
Views: 2846

Gene Rearrangement and Evolution

Clear this up for me: To say genes rearrange in a cell is to say a person's DNA changes. True or false? Also, can someone give me some info on "jumping genes"? I've been trying to decide if they really are a factor in evolution. ...

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by mschristine
Thu Jul 02, 2009 6:18 pm
 
Forum: Genetics
Topic: Gene Rearrangement and Evolution
Replies: 1
Views: 2846

Re: What is meant by "single-step mutation"?

... point mutation. Alternatively, the mutant allele might carry a single rearrangement, such as a small inversion. In either of these cases, only one change is required to get from the gene sequence of the wild-type allele to the gene sequence of the mutant allele. ...

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by jonmoulton
Tue May 12, 2009 5:06 pm
 
Forum: Genetics
Topic: What is meant by "single-step mutation"?
Replies: 1
Views: 3308
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