I think you are looking for the word, Metaphase.
        
             
        
        
        
Answer:
There is no effective cure.
the disease is caused by a single defective gene on chromosome 4.
the disease causes a breakdown of nerve cells in the brain.
as early as age 2 or as late as 80. but usually 30 and 50.
molecular analysis, i don't know the last words sorry
 
        
             
        
        
        
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