Multiple choice

Huntington disease is caused by

  1. increased number of trinucleotide gene repeats (CAG)

  2. mutation in gene for the protein cystic fibrosis trans-membrane conductance regulator or CFTR

  3. deficiency of the protein α1-anti-trypsin or A1-AT

  4. formation of insoluble amyloid protein

  5. none of the above
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A Correct answer
Explanation

Huntington disease is caused by increased number of trinucleotide gene repeats (CAG) leading to increased number of glutamine residues incorporated incorresponding protein.

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