Q. Which of these statements about Huntington’s disease is true?
A) Genetic tests to detect the presence of the allele responsible for Huntington’s disease do not exist at this time
B) The onset of Huntington’s disease is typically between birth and three years of age
C) There is currently no effective treatment of Huntington’s disease
D) Huntington’s disease is caused by the expression of a recessive allele
Explanation
Huntington’s 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 for the onset of these symptoms is between 35 to 40. This disease is caused by an autosomal dominant gene.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.