This is oversimplifying in the opposite direction in my opinion. The important thing is not the letters, it's how they manifest -- the way they're interpreted a

This is oversimplifying in the opposite direction in my opinion. The important thing is not the letters, it's how they manifest -- the way they're interpreted as instructions. So the objection is to taking a paragraph of Ulysses and putting it into The Grapes of Wrath. Or even better, selecting a step from the middle of How to Build a Birdhouse and inserting it into the directions for crocheting a tea cozy. If properly chosen, it could certainly have a beneficial effect. But DNA is also a much more complex system than a book.