Probably is a genetic modification, slapping in jellyfish genes to make animals glow in the dark is a relatively common practice in the real world, but it could also maybe be in stuff they're fed (like how flamingos get their colour).
For the purposes of the game it probably would just be the Parasaurolophus, assuming it's on the table.
IF such a thing were to happen, what I had in mind is something like the
Indominus rex from the Secrets of Dr. Wu in that it gives the hybrid dinosaur a special gene for its adaptive camouflage.
Parasaurolophus in the franchise as a whole isn't the kind people would think of glowing, at least not right now but if so, it would be very few in comparison to the general viewer and "knower" population. If it's just an update for the thing to glow with no explanation, think twice of
how that would workout right for the general targeted audience, especially for those who bought the game already. Every in-game asset is always approved by Universal themselves before implementation, and I don't think, for this specific game, they would want the in-game
Paras (or any dinosaur for that matter as none of the others in the series have it) to be glowing in the dark all of the time as an update feature.
So, I think they would do best by giving the
Parasaurolophus a gene option to give the dinosaur that ability in-game to make it optional and keeping the dinosaur generally true to its film counterparts as a DLC or free update, depending on what would work best for them, whether or not it would be identified by what animal it's from (ex: The Raptor Squad skin sources are CLASSIFIED while everything else, but the legacy skins, are identified by what animal they're from, like how the Indominus' camo ability in-game is from cuttlefish just like how respectively is in film lore sources).
