Tuesday, March 13, 2012

Yes you DO get loss of genetic diversity with evolution Part 6

Percy's 6th:
Faith writes:
I’m simply repeating the FACT that selection and isolation, NOT MUTATION, are what bring about the new phenotype that characterizes a whole new population.
Faith, as long you continue to assert that mutation plays no role in speciation there will be no peace for you in this thread. People would not find it outrageous to argue that changing allele frequencies and permutational recombinations of alleles are a more significant factor over mutation in speciation. That would actually be a very interesting discussion. But to just declare that mutations have no role at all is once again to simply deny the real world, and assertions denying what is obviously true tend to draw many responses.
I suppose it could have gone in that direction except that people kept bringing up mutations. But there isn't really much more to say anyway. Changing allele frequences IS the formula for evolution after all, mutations only get stuck in there by debaters. If they are going to define my argument to say that changed allele frequencies are a "more" significant factor than mutatios this is going to keep requiring me to think about those nonexistent mutations anyway. How about just considering the situation without any mutations at all in the mix? They can pretend they are there but only being kept out of the discussion for now if they want.

But even by this point of the thread it's pretty clear my efforts at EvC are all over. And so endeth my last stint at EvC. Oh it limped on for a while but after this there is no point in going back. Ever. And of course they are going to go on ignoring my blog as well, although I'm sure some of them read it from time to time.

I've made the basics of the case: You don't NEED mutations to get new phenotypes, change in gene frequencies does that, and if you kept getting mutations after the breed was established you'd lose the breed. That much ought to be obvious to anyone -- except of course it isn't to evolutionists who are allergic to the implications of it.

But beyond those points, there is simply no such thing as a mutation that can form a healthy allele and they have no evidence for such a thing -- This is, again, merely an article of the faith that's necessary to the idea that phenotypic variation is open-ended, not limited to the Species. Again, all they have is theory, and they treat the theory as fact, without the evidence to justify it. But at least there is an existing stretch of DNA, the gene, for the mutation to work on, which gives them the illusion that it COULD be the source of healthy alleles, but there is nothing at all that can create a gene, the whole sequence of DNA itself that is the basic formula for a given trait.

My whole argument is pretty basic and obvious and would be recognizable IF they didn't keep throwing in the irrelevant baggage of evolutionism.

Breeders should recognize it, conservationists should recognize it. You don't get phenotypic change without a reduction of genetic diversity.

And that spells FINIS to Evolution.

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