Duchenne muscular dystrophy is an x-linked recessive disorder.100% is the probability that there would be a child with this disorder .
Duchenne muscular dystrophy is a genetic disorder characterized by the progressive loss of muscle .it is a multi -systemic condition, affecting many parts of the body ,which results in deterioration of the skeletal , heart , and lung muscles .
Duchenne is caused by a change in the dystrophin gene .without dystrophin ,muscles are not able to function or repair themselves properly .
because dystrophin genes is found on the x- chromosome ,it primarily affects males ,while females are typically carriers .
Learn more about X- chromosome here:
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