To remember the right hand rule, write the xyz order twice: xyzxyz. 1  Next, find the pattern youâre looking for: 2  xy => z (x cross y is z) 3  yz => x (y cross z is x; we looped around: y to z to x) 4  zx => y.
Huntington disease is a progressive brain disorder that causes uncontrolled movements, emotional problems, and loss of thinking ability (cognition).Adult-onset Huntington disease, the most common form of this disorder, usually appears in a person's thirties or forties.untington disease is a progressive brain disorder that causes uncontrolled movements, emotional problems, and loss of thinking ability (cognition).
Huntington's disease (or Huntington's chorea) is a neurological disorder that is caused by a faulty gene on chromosome number 4. As such, it can not be caught, but can only be â¦ passed from parents to children.A person who has a parent with HD has a 50%-50% chance of inheriting the gene.untington's disease (or Huntington's chorea) is a neurological disorder that is caused by a faulty gene on chromosome number 4. As such, it can not be caught, but can only be â¦ passed from parents to children.