Is Parkinson's Disease genetic?

My dad has Parkinson's Disease and I don't want to get it when I'm older. I don't want to ask him because I don't want to sound selfish. I'm worried about getting it when I'm older!!!
Update: Never mind. I looked it up and there's a larger chance you'll get it if a relative had it but it doesn't mean you'll definitely get it.
Update 2: I'm 13 years old.
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