My previous comment was pretty tongue in cheek, but thank you for the explanation, that's really quite interesting. I wonder if it is possible that the 'useless

My previous comment was pretty tongue in cheek, but thank you for the explanation, that's really quite interesting. I wonder if it is possible that the 'useless' or 'junk' DNA is mostly stuff that becomes important under different environmental conditions and becomes active based on certain triggers with epigenetics?