What Are Two Genetic Disorders That Only Affect Males?

Discover two disorders that exclusively affect males: Duchenne Muscular Dystrophy and Hemophilia, both linked to the X chromosome.

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Two disorders exclusively affecting males are Duchenne Muscular Dystrophy (DMD) and Hemophilia. DMD is a genetic condition characterized by progressive muscle degeneration and weakness. Hemophilia is a rare disorder in which the blood doesn't clot normally due to a lack of sufficient blood-clotting proteins. Both conditions are linked to the X chromosome, explaining their prevalence in males.

FAQs & Answers

  1. Why do some disorders only affect males? Some disorders only affect males because they are linked to genes on the X chromosome. Males have one X and one Y chromosome, so a defective gene on the X chromosome can cause the disorder, whereas females have two X chromosomes which can often compensate.
  2. What are the main symptoms of Duchenne Muscular Dystrophy? Duchenne Muscular Dystrophy primarily causes progressive muscle weakness, difficulty walking, and muscle degeneration, typically beginning in early childhood.
  3. How does Hemophilia affect blood clotting? Hemophilia is caused by a deficiency in specific blood clotting proteins, leading to prolonged bleeding as the blood does not clot normally.
  4. Are Duchenne Muscular Dystrophy and Hemophilia inherited? Yes, both Duchenne Muscular Dystrophy and Hemophilia are inherited genetic disorders linked to mutations on the X chromosome, passed down from carrier mothers to their sons.

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