Answer:
Musclar dystrophy.
Step-by-step explanation:
It is caused by interferences (mutation)with the protein(gene sequnce) for formation of healthy muscles. Therefore leading to abnomaliteis in muscles cells formation and functions
Two major types most common in males than females:
Becker muscular dystrophy, Duchenne muscular dystrophy.,etc.
Most symptoms includes;
Muscle stiffness, frequent falls, walking on toes, learning disabilities etc.