Myotonic dystrophy is inherited in chromosomes –
Correct Answer: 19
Description: Myotonic dystrophy is associated with a trinucleotide CTG repeat expansion on chromosome 9.
This expansion affects the mRNA for the dystrophila myotonia protein kinase (DMPK).
Myotonic dystrophy
The characteristic feature of myotonic dystrophy is myotonia, i.e., the sustained involuntary contraction of a group of muscles.
Of all the dystrophies, only myotonic dystrophy shows pathological changes in the intrafusal fibres of the muscle spindles.
Extra-muscular abnormalities are : -
Cataract
Frontal baldness
Gonadal atrophy
DM
Dementia
Decreased IgG
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now