Huntington's disease can strike at an earlier age and bring about a more rapid degeneration and death in successive generations within a family. This phenomenon can be explained by which mechanism?
A) presence of a transposable element in the gene
B) chronic exposure to mutagens in the environment
C) expansion of a trinucleotide repeat in the coding sequence of the gene
D) presence of an extra chromosome in the germ line
E) absence of a gene product that is involved in DNA repair
Correct Answer:
Verified
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