1 out of 20
The familial form of the abnormality seen in HOCM is due to (AIIMS May 2014)
|A||An autosomal dominant disorder associated with an abnormal α-myosin gene|
|B||An autosomal dominant disorder associated with an abnormal fibrillin gene|
|C||An autosomal recessive disorder associated with decreased acid maltase formation|
|D||An X-linked recessive disorder associated with an abnormal dystrophin gene|
Ans. A An autosomal dominant disorder associated with an abnormal α-myosin gene
a. There is an increased incidence of hypertrophic cardiomyopathy within families, and there is evidence that it may be an autosomal dominant disorder.
b. The disease is thought to result from a mutation in the cardiac -myosin heavy chain gene.