Dictionary » S » Spontaneous Mutation

Spontaneous Mutation

A 'naturally' occurring mutation in the absence of a mutagen that would otherwise be a known factor for inducing a particular mutation.


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galactose metabolism

... the cells could grow because of the plasmid transformed and not due to spontaneous reversion or a second site mutation.....????

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by APmicro
Thu Oct 11, 2012 3:46 am
 
Forum: Cell Biology
Topic: galactose metabolism
Replies: 0
Views: 1030

Theories - Origin of Life

... me see if I've got this straight. Someone says to you, "beneficial mutations exist. Example: antibiotic resistance." And your response ... A much better approach would be to look for papers which detail the spontaneous mutation of antibiotic resistance in the lab. If you fail to ...

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by Luxorien
Wed Sep 19, 2012 2:55 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907273

Theories - Origin of Life

... tetramer. There are four subunits: two betas and two alphas. The point mutation I referred to earlier causes the beta chains to be wonky. As I said, ... random copy error. The article even mentions that "mutations occur spontaneously in every generation, but not all mutations become permanent ...

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by Luxorien
Sat Mar 10, 2012 5:03 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907273

Re: Re:

... If we try to repeat something in the lab, it will not have happened spontaneously. Similarly, are you saying that if something has not occurred ... among species, but that doesn't mean one specie derived from the other, mutation by mutation. Rather, both were created by God, ~6.000 years ago, ...

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by christianstrategies
Tue Feb 07, 2012 4:20 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 538967

Re: Re:

... not a fact: You have to proof: 1) creation of life from the dust in a spontaneous way... without divine intervention... try it in a labo... don't ... to proof changement of specie, for all species of the world, through mutation and hazard only... mutant microbes are there contradicting this ...

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by christianstrategies
Sun Feb 05, 2012 6:09 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 538967
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