Black spots and light green leafs

Hey, In my opinion it is not genetics... colors will show later on, or forced in later stage with colder temperature :) I have seen this a couple of times when growing outside but not that dark what you have, just a little bit lighter. When it happend to me, it got better in time but thoose plants never went fullsize with good buds. There is nothing much you can do here Goodluck growing.