Quote:
Originally Posted by Biochemist
I think the data better supports that DNA pre-codes for DNA changes. I suggest that speciation is not because mutations alter DNA serially, and then express, and then are selected. It is because the parent species has a propensity to alter itself into the daughter species. This essentially puts all of the code for the common ancestry into the first life form. A little tough to accept, but I think this is the most consistent with the extant data. It does (certainly) make the abiogenesis process that nuch more difficult, but it is what it is.
I ran a whole thread on this topic a couple years. The title was something like "statistical/probabilisitic issues with speciation".
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Ok, where does this precode come from? I am completely comfortable with current theory of abiogenesis and it certainly does not allow for the presetting of genes for modern species in the original genome so where would your preset genes come from?
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Michael
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