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Understanding Huntington’s Disease: Genetic Basis and Symptoms

Huntington’s Disease is a progressive neurodegenerative disorder caused by a defective gene, leading to the death of nerve cells in the brain. It is inherited in an autosomal dominant manner, meaning that even one copy of the mutated gene can cause the disease. Symptoms typically manifest in middle age, affecting motor control, cognition, and mental health. Understanding the genetic factors, particularly the Huntington's allele (H), is crucial for early identification and potential treatment options.

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Understanding Huntington’s Disease: Genetic Basis and Symptoms

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Presentation Transcript

  1. Huntington’s Disease • Autosomal dominant • Death of nerve cells in brain • Signs show around middle age • Due to defective (misshaped) gene

  2. Key H = Huntington’s allele h = Healthy H h h H h h h h H h h h

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