Huntington's Disease,a Fatal Degenerative Movement Disorder,results from Large Numbers of Codon

Multiple Choice

Huntington's disease,a fatal degenerative movement disorder,results from large numbers of codon repeats in the Huntington gene located on chromosome 4. This means that the​ 

A) extra codon repeats will not impact the individual's phenotype. 
B) affected Huntington gene will be silenced, producing no protein. 
C) affected Huntington gene will produce a protein with abnormally large amounts of the amino acid encoded by the extra codons. 
D) affected Huntington gene will produce a protein with abnormally small amounts of the amino acid encoded by the extra codons.