Eh, I dunno if I think fetishes are hereditary, but I think we're predisposed to stuff. Like someone else said, if we're exposed to it at a young age, we're probably gonna like it.
I like James Bond, Indiana Jones, I liked The Executioner as a kid, and some other stuff...not because my dad liked it, but because he watched it or my family watched it when I was younger.
Do I think my dad liked women wrestling and catfighting? Eh, I found it by accident.
As a kid, I watched a lot of pro wrestling and started searching 'bikini wrestling' and stuff and found it. Because I was expecting pro wrestling in bikinis. Imagine my little mind when I found this stuff.