DNA in general......some plants have a longer sequence than we do........even to 3 million places.....but each place can only be one of 4 acids or bases.......and each only pairs with another, i'm no expert...also RNA, messenger RNA a new chemical is added.......

Like baking  cake from scratch......if u have the recipe, an oven, the ingredients, it should always turn out....repost in part...

 I remember watching mutual of omaha's wild animal kingdom, Merlin Perkins..........this would not cost anything, just take a blow dart hit some squirrel, bird, rat, etc in the area, and test their virus they had bioengineered..

Id it with some distinctive tag, so u know which one u shot with the whatever, Under the Silver Lake, some dead squirrel, the guy who looks like me sees in the woods...

When researchers need to uniquely identify individual lions for study and conservation purposes, they employ a technique involving immobilization and the application of identification collars. 

Here's how the process generally works:

• Immobilization: A qualified veterinarian uses a dart gun to administer a sedative to the lion from a safe distance, typically from a vehicle.