<prompt> Duschenne dystrophy is aAutosomal dominant disorderX-linked dominant diseaseAutosomal recessive diseasesX linked recessive disease  <response>: duchennes Dystrophy is progressive waeknessof gene muscles Dystrophin gene defects Unable to walk after age 13 Progressive. Kyphoscliosis Respiratory failure in 2nd or 3rd decade Refer Robbins 7th1336 