All vertebrate embryos are inherently female, anyway.
5 seconds sound clip from the Jurassic Park (1993) movie soundboard.
You can hear this line at 00:30:28 in the Blu-ray version of the movie.
Quote context
[...]
- Blood temperature seems like about high 80s, maybe. Wu?
- Homoeothermic? It holds that temperature?
- Yes.
- We control their chromosomes. It's really not that difficult.
- All vertebrate embryos are inherently female, anyway.
- They just require an extra hormone given at the right developmental stage to make them male.
- John, the kind of control you're attempting is not possible.
- If there's one thing the history of evolution has taught us, it's that life will not be contained.
[...]