Per general etiquette, the mother of the bride buys her wedding day outfit first, then notifies the mother of the groom about the color, length and overall formality of her choice. But if the groom's mom doesn't get word by the four-month mark, she should touch base with the bride-to-be about what to do.
Genetics. The two main types of hemophilia are caused by gene mutations that affect the levels of clotting factors in the blood. Mutation of the FVIII gene leads to hemophilia A, also called classic hemophilia, while a mutations in the FIX gene leads to hemophilia B, also called Christmas disease.
One of the most common hereditary bleeding disorders, hemophilia afflicts more than 17,000 people in the United States in either a mild, moderate or severe form. The hemophilia gene is carried by females on one of their X chromosomes and may be passed to their male offspring.This is why hemophilia is called the X-linked genetic condition. Women who are carriers of hemophilia have one X-chromosome with an abnormal copy of the hemophilia gene.ne of the most common hereditary bleeding disorders, hemophilia afflicts more than 17,000 people in the United States in either a mild, moderate or severe form. The hemophilia gene is carried by females on one of their X chromosomes and may be passed to their male offspring.