JP3 Spinosaurus Hypothesis

I (like the rest of you) am stoked about the JW updates, but something has been wracking my brain for a while, and I figured for my latest post (in a long time compared to many of you), I'd bring this up.

The lack of a confirmation on the JP3 Spinosaurus' sex has lead to it being listed as a male on some sites, and as a female on a few others.  Other sources just don't list it at all, because it has never been confirmed by anyone.

I believe I have the answer.  It was a female.

"Why do you think that?" the masses ask.

Well, she had to have hatched sometime before TLW.  InGen abandoned their facilities on Isla Sorna after the Nublar Incident, allowing the young dinosaurs on that island to grow up into adults and start breeding on their own.  Up until abandoning Sorna and Nublar, they were still using frog DNA from the same breed of frog to fill in the dinosaurs' genetic gaps.  And all dinosaurs that were hatched in the labs were born as females, because InGen wanted to control the population and prevent breeding.  That Spinosaurus was hatched in a lab before she was shipped off to Sorna to grow up a bit.

According to this site, sex change in animals only occurs if the ratio of males and females isn't in equilibrium any more.  Since the dinosaurs that were hatched in InGen's labs and stayed on Isla Sorna had that frog DNA in them, some were bound to change from female to male.  That explains why there's a breeding pair of T.rex and several packs of raptors consisting of males and females, among other species.  But with only one Spinosaurus, there couldn't have been an equilibrium to stray from, SINCE THERE WAS ONLY ONE!!  There would have been no need or desire for that ONE Spinosaurus to become male when there's no "potential" breeding partner.  

Therefore, she remained female for all of her time on Isla Sorna.

SHE destroyed the plane.  SHE killed that young male T.rex.  SHE smashed through the fence and failed to break through the wooden door of the building.  And SHE attacked the boat.

And she was (is) a beautiful creature.