Some genetically inherited forms of heart failure are caused by a mutation of the gene for myosin.Specifically,what part of the heart would be affected by this mutation?
A) sarcomeres
B) Z discs
C) tendons
D) smooth muscle

Question

Quizplus · Accepted Answer

Myosin is a protein component of sarcomeres, which are the basic contractile units of muscles. Therefore, a mutation in the gene for myosin would affect the sarcomeres in the heart muscle, leading to impaired contraction and ultimately heart failure.

Some Genetically Inherited Forms of Heart Failure Are Caused by a Mutation