Duchenne Muscular Dystrophy

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What is Duchenne Muscular Dystrophy (DMD)?

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Duchenne Muscular Dystrophy (DMD) is a genetic disorder characterized by progressive muscle degeneration and weakness due to the absence of dystrophin, a protein that helps keep muscle cells intact.

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What is the role of dystrophin in muscle cells?

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Dystrophin is a protein that provides structural support to muscle cells, helping to protect them from damage during contraction.

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How is Duchenne Muscular Dystrophy inherited?

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Duchenne Muscular Dystrophy is inherited in an X-linked recessive pattern, meaning it is typically passed from carrier mothers to affected sons.

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What are common symptoms of Duchenne Muscular Dystrophy?

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Common symptoms include muscle weakness, difficulty walking, frequent falls, and progressive loss of mobility.

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At what age do symptoms of Duchenne Muscular Dystrophy typically appear?

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Symptoms of Duchenne Muscular Dystrophy usually appear between the ages of 2 and 6.

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What is the main function of the muscular system?

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The main function of the muscular system is movement, allowing the body to perform various physical activities.

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What type of muscle is affected by Duchenne Muscular Dystrophy?

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Duchenne Muscular Dystrophy primarily affects skeletal muscles, which are responsible for voluntary movements.

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What is the difference between phenotype and genotype?

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Phenotype refers to the observable physical characteristics of an organism, while genotype refers to the genetic makeup or alleles present.

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What is a tendon?

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A tendon is a cordlike connective tissue that attaches muscle to bone.

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What is the role of cardiac muscles?

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Cardiac muscles are responsible for the contraction of the heart, enabling it to pump blood throughout the body.