DNA, I couldn't really answer the first one. But I recently drew a dragon. His name is Midnight. I'm not sure what kind of dragon he is, but I know that he's the only dragon of his species. There's not much to describe about him, except that he's black. I plan to include him in Dragons for a somewhat later chapter.
But I just realized something. If I mention the dragons and publish a book about them, then everyone will know it's me. Worse, they'll find out my secret. *shudders*
I should have known that before I told everyone about them... >.<