A) Genetic tests to detect the presence of the allele responsible for Huntingtons disease do not exist at this time
B) The onset of Huntingtons disease is typically between birth and three year of age
C) There is currently no effective treatment of Huntingtons disease
D) Huntingtons disease is caused by the expression of a recessive allele
Correct Answer: C
Solution :
Huntingtons chorea is a fatal disease of man. It is characterized by uncontrolled jerking of body and progressive degeneration of central nervous system. The mean age on set of these symptoms is between 35 to 40. This disease is caused by an autosomal dominant gene.
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