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Repressor gene

repressor gene

A gene that prevents a nonallele from being transcribed.

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mRNA transcripts, cis/trans-acting questions

... to metabolize galactose. All of the mutants fail to transcribe the GAL2 gene, which encodes the enzyme for the first step in metabolizing galactose. ... d. probably a loss-of-function mutation in the gene encoding a repressor to the operon?

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by animus31
Fri Nov 09, 2012 11:58 am
Forum: Genetics
Topic: mRNA transcripts, cis/trans-acting questions
Replies: 0
Views: 1731


... can explain anything of how we came about. All evidence points toward gene loss over time. There is NO evidence of totally new genes appearing ... it's evident that new phenotypes most often evolve due to loss of some repressor gene and not due to appearance of some new gene. So, in my opinion, ...

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by Cat
Sun Oct 07, 2012 3:25 pm
Forum: Evolution
Topic: the genetic code as proof of common ancestor
Replies: 9
Views: 3512

Re: Increasing Information For Genetic Algorithm

... population, those that survive establish new race, etc. The latest genetic data from experiments suggests that genes accumulate loss of function ... new phenotypes result from loss of function in some gene (usually a repressor) and not due to acquisition of new genetic information...

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by Cat
Sun Sep 09, 2012 5:20 pm
Forum: Evolution
Topic: Increasing Information For Genetic Algorithm
Replies: 8
Views: 10814

Gene enhancers/repressors in Drosophilia stripes

... that I can't seem to answer correctly/articulate in the right way. Gene expresses 2 stripes, 1 in the anterior and 1 in the posterior. The same ... enhancers might specify the 2 stripes. You may use the activity of a repressor. You may modulate the affinity or number of binding sites (but ...

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by bwooten28
Wed Apr 04, 2012 4:44 am
Forum: Molecular Biology
Topic: Gene enhancers/repressors in Drosophilia stripes
Replies: 1
Views: 906

Re: Re:

evolution states that these two different genes occur as a result of mutations, which is the engine of evolution. My protest ... in different fields, but in the same paragraph ? Once we get to talking about Repressor Dawkins, we have a full blown activist and major word-weasel who takes ...

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by Crucible
Tue Nov 08, 2011 6:05 pm
Forum: Evolution
Topic: Evolutionists Show of Shutting Down the Debate
Replies: 71
Views: 24516
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