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Pedigree of a PD family that comprises affected members with and without the LRRK2 p.G2019S mutation. Five mutation carriers are unaffected, showing reduced penetrance, two mutation carriers are affected with dystonia, showing variable expressivity, and one affected family member does not have the p.G2019S mutation in LRRK2. Black symbols - affected individuals; white symbols - unaffected individuals; half-filled symbols - individuals with dystonia; + - mutation carriers.
