Dictionary » M » Mutation rate

Mutation rate

mutation rate

The frequency with which a particular mutation appears in a population or the frequency with which any mutation appears in the whole genome of a population. Normally the context makes the precise use clear.

See: fluctuation analysis.


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Re:

... may indeed be irrelevant, but PE nevertheless only deals with the rate of evolutioary change, not its mechanism(s). Now NS is invalidated by ... the basic step of evolution. One can evolve new traits without genetic mutation (eg quantitative traits); nevertheless most individuals have a few ...

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by robsabba
Tue Aug 25, 2009 8:20 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16282

Biologists cannot tell us what a species or phylum is

... species are more efficient than others at correcting and preventing mutations in their DNA, whereas others are more likely to mutate because ... throw at them. Thus, even though these organisms have a higher mutation rate, it's hard to call that a mistake when it helps them survive so well.

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by alextemplet
Mon Jun 01, 2009 2:06 pm
 
Forum: Evolution
Topic: Biologists cannot tell us what a species or phylum is
Replies: 38
Views: 1908

Re: Any other explanations other than Mutation?

... to junk DNA are virtually impossible for natural selection to act upon or weed out. These mutations happen at a mathematically predictable rate (about once every billion replications, if memory serves), and we usually know approximately what the generation time is for the organism being ...

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by alextemplet
Sun May 10, 2009 7:51 pm
 
Forum: Evolution
Topic: Any other explanations other than Mutation?
Replies: 6
Views: 1738

Can you use mtDNA to...

... related groups such as species, genera, and families. Due to its high rate of mutation, though, there comes a point where mutations begin to occur at sites that have already ...

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by wbla3335
Tue Apr 28, 2009 12:45 pm
 
Forum: Genetics
Topic: Can you use mtDNA to...
Replies: 12
Views: 1479

Re: Natural selection is proven wrong

... Because MMR influences the rate of mutation as well as recombination, this pathway may be important with respect to speciation ...

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by gamila
Sat Apr 25, 2009 9:58 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16282
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