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Home Q & A Board Science-Related Homework Help Psychology
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dsvcbhdjnskl dsvcbhdjnskl
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6 years ago
________ is a rare motor disorder is caused by a defective gene on chromosome 4.
 
  A) Phenylketonuria
  B) Huntington's disease
  C) Tay-Sachs disease
  D) Rabies
  E) Alzheimer's disease
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LittleMarcLittleMarc
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