The cellular basis of muscular dystrophy is that some of a child's muscle cells
A)have combined into a structure that cannot contract.
B)lack DNA.
C)lack a protein that enables them to withstand the force of contraction.
D)have too much of a contractile protein and become weak.

Question

Quizplus · Accepted Answer

Muscular dystrophy is caused by a genetic mutation that leads to a deficiency in the protein dystrophin, which is necessary for muscle cells to withstand the force of contraction. Without dystrophin, muscle cells are more susceptible to damage and degeneration, leading to the characteristic weakness and wasting of muscular dystrophy.

The Cellular Basis of Muscular Dystrophy Is That Some of a Child's