In nature such things automatically self abort with a miscarriage.
If two near species do develop to term the offspring is sterile.
Horse and donkey=sterile mule.
Cow and bison=sterile catalo.
The ancient Romans had a saying similar to our “When Pigs Fly”. It was “When a mule foals!”
Not always true. There are plenty of fertile crossbreeds, including the rare mule and the like.
This is, dangerous territory.
There are a couple of very specific mitzvah regarding chimera that probably apply here. I doubt the scholars say much yet bc the science is so new.