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  • Duchenne muscular dystrophy pedigree chart
  • Duchenne muscular dystrophy deletion, FISH
  • Duchenne muscular dystrophy control, FISH
  • Duchenne muscular dystrophy carrier female
  • Duchenne muscular dystrophy pedigree + rflp
  • Duchenne muscular dystrophy - normal female, chromosomes have been highlighted by a fluorescent probe for exon 45/47 (note the double yellow band). This disorder is caused by a recessive gene on the X chromosome, so is normally shown only by males, who lack a second X chromosome. The condition starts with difficulty in walking and climbing stairs in early childhood, usually resulting in confinement to a wheelchair by the age of 10, with death from respiratory infection or cardiac failure by about the age of 20.
  • Nerve in skeletal muscle, showing dystrophin location
  • Genetics frame of reference - the size of various genetic components, including DNA, a base pair, various sizes of deletions, chromosomes and genes are listed and compared with more familiar objects such as the Solar System, planets, cities, hospitals, wards, and so on.