Johann Sebastian Bach born, 21 March, at Eisenach. Youngest child of Johann Ambrosius Bach, town and court musician, and his wife Maria Elisabetha, nÃ©e LÃ¤mmerhirt. Baptised, 23 March.
â¢Parkinson disease 11 (PARK11): Type 11 Parkinson disease is linked to a genetic mutation on chromosome 2q21.2. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements.
Parkinson's disease (PD) is an age-related degenerative disorder of certain brain cells. It mainly affects movements of the body, but other problems, including dementia, may occur. It is not considered a hereditary disease, although a genetic link has been identified in a small number of families.