[Taxacom] (no subject)
SmissenR at landcareresearch.co.nz
Thu Mar 7 02:07:31 CST 2013
I think Micahael is quite correct that hair on snails or any other trait of an organism might have nothing to do with any purpose/end/advantage. And I agree whole heartedly that genomic change is not well modelled as random, and that genetic polymorphism is not unlimited and unconstrained.
However, I do think that selection plays an important role in determining which polymorphisms (however they arise) are maintained within populations.
Michael are you arguing that all evolution is the result of prior trends in genomes unmediated by selection, the majority, or just some stuff here and there?
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