Or that the self replicating systems of molecules merged into one (organic life on earth is base 4, containing two sets of two complimentary pairs - it potentia

Or that the self replicating systems of molecules merged into one (organic life on earth is base 4, containing two sets of two complimentary pairs - it potentially could've done it with just one of those sets), Or that the same self replicating systems were the most (or only) stable systems that could be forged from the locally available inorganic molecules.