Concept explainers
To determine: The probability that a second child of a mother will suffer from Duchene Muscular Dystrophy as her first child (son) is suffering from this disease. She took a DNA test where it was confirmed that she is a carrier for this disease.
Introduction: Duchene Muscular dystrophy is caused due to progressive muscle weakness and degeneration in muscles. It is an X-linked recessive disease. It is caused due to a defect in the synthesis of a gene dystropin, which causes weakness in the muscles of hands and legs in the body. The body muscles get degraded and get filled with connective tissues and fats.
To determine: The probability of occurrence of this disease in her daughter as carriers.
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