- The gene that causes hemophilia is on the X chromosome.
- Hemophilia is a “congenital hereditary coagulation disorder” which means that it prevents the blood from clotting and can therefore lead to a person bleeding out heavily from a minor cut. (Lannoy & Hermans, 2010)
- This gene mutation can prevent the gene that causes blood clotting from working and can even cause it to be missing altogether.
- XhXH
- Mitochondrial DNA is passed down from mother to offspring, but males do not pass down this DNA.
- Since they all share a similar maternal ancestor, the mitochondrial DNA would be visible in them. And he was the husband of Queen Elizabeth II.
- Prince Alexei and Princess Maria
- The are both important because they show the relation to Nicholas, but it matters because hemophilia is more common in males.
- The found a “single point heteroplasmy” at point 16169(C/T= “Y”).
- Heteroplasmy