> which, in the long run, brings modification. Not quite. It's the part that filters the ideas, not the part that generates them to begin with. For that you

> which, in the long run, brings modification. Not quite. It's the part that filters the ideas, not the part that generates them to begin with. For that you need a source of change. It doesn't even need to be external; DNA is automutagenic (read up on transposons). There's also homologous recombination that exchanges the DNA between the copies of the same chromosome inherited from different parents (if this didn't happen, you couldn't inherit genes from multiple grandparents in a single chromosome). https://en.wikipedia.org/wiki/Homologous_recombination#In_eukaryotes https://en.wikipedia.org/wiki/Homologous_recombination#In_eu...