Genetic Basis of Hereditary Muscular Dystrophy in Infants:a. Hereditary muscular dystrophy, such as Duchenne Muscular Dystrophy (DMD), is typically caused by mutations in the dystrophin gene on the X chromosome.b. This gene mutation leads to a lack of dystrophin protein, which is crucial for muscle strength and function.

Clinical Considerations:a. Since DMD is X-linked, it predominantly affects males; females can be carriers and may have mild symptoms.b. Genetic counseling is recommended to understand inheritance patterns and implications for family planning.