We have laboratory experiments with fruit flies you can duplicate in your local high school biology lab ... we know the 3-dimensional structure of these macromolecules ... and we can calculate the chemical reactions that are occurring ...
1) DNA regulates all cell functions, through catalysts ... everything ...
2) DNA is responsible for almost all inherited traits, why children resemble their parents ...
3) DNA changes over time ... and we have billions of years ...
This is theoretically sound and we have a wealth of laboratory experiments that will demonstrate each and every one of these claims ... as long as we have these billions of years to work with ...
This doesn't happen in 6,000 years ... and alpha helices won't spin the correct way on a Flat Earth ... and God forbid dog breeders ... can't evolve a St Johns Dog now can we? ...