A member asked:

What causes duchenne muscular dystrophy?

3 doctors weighed in across 2 answers
Dr. Beth Howell answered

Specializes in Psychiatry

Hereditary: It is inherited because of a defective gene on the x chromosome (female sex chromosome). It is referred to as a "sex-linked recessive" inheritance pattern. Girls get two x chromosomes, and the healthy one overrules the unhealthy gene, preventing girls from contracting the disorder. Boys get an x and a y. If the x has the defective gene, there is no corresponding gene on the y to overrule it.

Answered 5/6/2019

5.5k views

Thank
Dr. Michael Amster answered

Specializes in Pediatrics

Genetic disorder: Duchenne's muscular dystrophy is an x linked genetic disorder causing abnormalities of the muscle fiber and eventual degeneration.

Answered 5/11/2013

5.5k views

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