Assertion: hemophilia's gene | /r/HasProperty | ix
Facets:
Source sentences:
text: The gene for factor IX—like the gene for factor VIII—is located on the long arm of chromosome X, within the Xq27 region.
text: It is caused by a problem in one of the genes (factor VIII or factor IX) that tells the body to make the clotting factor proteins needed to form a blood clot.