Morgan makes an interesting point there. You say mike that we degraded wolves to various kinds of dogs using selective breeding. Mixing different DNA's.
But Adam and Eve had the same DNA since Eve was created out of Adam. Therefore their kids had the exact same DNA. And the kids of the kids as well since they had parents with the exact same DNA. And their kids, and their kids.....
So if we all came from Adam and Eve, we should still have the same DNA.
Which we don't.
I didn't explain where the mass came from in the Big Bang.
Normal laws of physics state that the mass has always been there or an equivalent amount of energy (E=mc^2) So that is the same answer as you give me in fact. Mass or energy have always been there, and will always be there. Just like your God. If that answer doesn't satisfy you, imagine how we feel about your answer that God has always been here.