2 June 2024
Is it genetically possible to become your own grandfather?
Depends on the logic of timetravel in your universe If it is closed loop in like you have always done that then yes, if not, you create an alternate timeline where you most likely never get born.
https://m.youtube.com/watch?v=6r2RZi9MFVc
You could be your own step-grandpa if you married your grandma
Only with time travel.
It must've been a predestination paradox...?