Continuity mistake: When the brothers exit the lake they dove in, their wet hair styles change in every single angle, at least 5 times in 3 seconds. (01:00:05)
Jurassic World (2015)
Ending / spoiler
Directed by: Colin Trevorrow
Starring: Vincent D'Onofrio, Judy Greer, Chris Pratt, Bryce Dallas Howard, Irrfan Khan, Jake Johnson
More quotes from Jurassic World
More trivia for Jurassic World
Question: If all of the base DNA for the dinosaurs in the park was obtained from dino-blood inside mosquitoes, where did they get the DNA for the Mosasaurus from? A flying blood-sucking insect would not come into contact with a sea dwelling dinosaur, and there are no amber-equivalents in the ocean to trap any sea based blood suckers.
Chosen answer: The scientific inaccuracy of the mosquitoes/DNA notwithstanding, at the end of the film the Mosasaurus surfaces at the edge of its pool in order to drag in the Indominus Rex. Assuming the Mosasaurus did the same thing to catch prey in its own time period, it's feasible a mosquito could have landed on its body and extracted some blood in that short amount of time, especially if the prey was putting up resistance.
And a mosquito would always be in that area and be keen on getting blood from that particular dinosaur? Plus, it didn't take much for the Indominus to be taken down since the Mosasaurus is kind of a big creature, so how hard would it be for other animals to be taken down as well? Added, the Mosasaurus was being fed a shark when we first meet it; it's not like it was hunting on its own in an enclosed area.
Mosquitoes are everywhere, so it's not a matter of convenience that one would be in the same area and being keen on going after that particular animal. Plus, I just pulled up the scene on YouTube and it takes close to 10 seconds for the Mosasaurus to drag the Indominous Rex to its doom, which is plenty of time for a mosquito to land on it and extract blood. And as I stated in the answer, the explanation of DNA being harvested from preserved mosquitoes is scientifically inaccurate anyway, so even a tenuous explanation of how a mosquito would get that animal's blood is no more tenuous than dinosaurs being brought back to life in the first place.
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Answer: And what about just digging for bones for the Mosasaurus? I think this was said somewhere-although I can't remember where so apologies if I'm wrong-but I think Dr. Wu mentioned something about it, so I'm sure they could've gotten DNA WITHOUT getting the blood from a mosquito. It sounds possible in my opinion.