1. H EMOPHILIA Josue Kernizan Matt Camen-Wijbenga Matt Brillopad January 28 th, 2010 Period 6/7

2. S UMMARY OF H EMOPHILIA Hemophilia is a disorder of your blood-clotting system Clotting- the process by which your blood changes from a liquid to a solid state this is used to stop bleeding Painful, lasting headache Repeated vomiting Extreme fatigue Neck pain Double vision Nosebleeds with no obvious cause Tightness in your joints

3. W HAT CHROMOSOME HEMOPHILIA IS LOCATED ON ? The gene that causes hemophilia A or B is located on the X chromosome

4. A LLELES Every gene has two alleles which can be dominant or recessive Each alleles come from each parent each either providing a dominant or recessive We represent dominant genes with a RR, Rr. Recessive genes are shown as rr

5. XHXH XhXh XHXH Y XHXHXHXH XHXhXHXh XHYXHYXHYXHY