Which Disease Affects Only Males? Understanding Hemophilia

Discover why hemophilia is primarily found in males and how it is inherited through the X chromosome.

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Hemophilia is a disease that is almost exclusively found in males. It's a genetic disorder that impairs the body's ability to make blood clots, a process needed to stop bleeding. This condition is passed from mothers (carriers) to their sons due to the way the disease is linked to the X chromosome.

FAQs & Answers

  1. Why is hemophilia mostly found in males? Hemophilia is mostly found in males because it is linked to the X chromosome. Males have one X and one Y chromosome, so a single defective gene on their X chromosome will cause the disease, while females have two X chromosomes and are usually carriers if only one X is affected.
  2. Can females have hemophilia? Although rare, females can have hemophilia if they inherit defective genes on both X chromosomes or if they have certain genetic conditions affecting one X chromosome.
  3. How is hemophilia inherited? Hemophilia is inherited through the mother, who can be a carrier of the mutation on one of her X chromosomes, passing it to her son who then manifests the disease.