There are many problems with your calculation, the greatest being your assumption that all sites are equally free to vary. Given that many sites are fixed, that 4% divergence will be concentrated into a much smaller piece of that 694 nucleotides.
There are many problems with your calculation, the greatest being your assumption that all sites are equally free to vary. Given that many sites are fixed, that 4% divergence will be concentrated into a much smaller piece of that 694 nucleotides.