You need DNA to build protein. So maybe it would be more like having an electrician build a staircase. I think they call that an escalator.
You need protein to make DNA and RNA. The changes in the laws of physics that you require would not allow for the existence of DNA and RNA polymerases, the proteins needed to copy DNA and make DNA into mRNA. The changes in the laws of physics you require wouldn't even allow for the existence of proteins needed to make nucleotides, or scavenge them from the environment.
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