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Isolation

Isolation

(Science: procedure) Any procedure in which a given species of organism, present in a particular sample or environment, is obtained in pure culture.


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Re:

... an assumption, not a demonstration. Evolution in this way assumes itself, cloaked in logical fallacy.” I gave you an example of a reproductive isolation mechanism from the real world-- songbirds-- and you ignored it. fact is ns is about the passing on of already present traits speciation show ...

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by robsabba
Fri Aug 28, 2009 2:22 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16284

Re:

... not bred with the original is the definition of speciation in species that unergo sexual reproduction. How can such changes result in reproductive isolation as I just defined it? One interesting example is changes in bird beak size brought on by changes in diet. In songbirds, the size of the beak ...

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by robsabba
Thu Aug 27, 2009 2:48 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16284

RNA from feathers

... But it seems that you have quite a choice if you type RNA Isolation from feather in Google. Like that: http://jvdi.org/cgi/reprint/13/2/162.pdf and I am pretty sure that this method can be adapted for RNA (use ...

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by canalon
Sat Jul 25, 2009 1:28 am
 
Forum: Molecular Biology
Topic: RNA from feathers
Replies: 3
Views: 138

Re: Diversifying selection

... is "believed" (see you guys believe--just the wrong thing--lol) to be the mechanism of sympatric speciation, which is non geographical/isolation speciation. Mr. Astus you know that some bacterial studies can interpret selection as non directional? Selection is response to the environment ...

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by AFJ
Sun Jul 12, 2009 1:33 pm
 
Forum: Evolution
Topic: Diversifying selection
Replies: 15
Views: 438

Re: Re:

If speciation is to occur, they must have varying evolutionary advantages that increase the frequency of certain genotypes, even in sympatric isolation, some sort of isolation must be there to create at least two distinct species. The next question is how to define when there are new species, ...

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by Jesse2504
Sun Jul 05, 2009 7:55 pm
 
Forum: Evolution
Topic: Speciation among primates and hominids
Replies: 12
Views: 373
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