Usually sporadic: Most cases are non-hereditary, though about 10% can run in families in an autosomal dominant pattern usually.
Answered 9/12/2013
4.9k views
Als: There is no known inheritance pattern in ALS so very unlikely.
Answered 1/12/2015
4.9k views
Unlikely: Your real risk is 5 in 100,000. Only 10% of all cases are familial, and doesn't seem to be the case in your family.
Answered 9/20/2014
3.7k views
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