This datapack is very simple and straight forward. Name any item "Gene Check" in an anvil, then throw it and it will display the nearest panda's main and hidden gene to you.
Warning: When you throw the named item, it will be deleted.
Installation:
1. Download the datapack.
2. Locate your singleplayer save, or your "world" folder if you're installing this on multiplayer.
3. Drag it into the "datapacks" folder.