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.
Hemophilia Genetics. Hemophilia is carried on the X chromosome. It is called an X linked genetic disorder. A women who is a carrier for hemophilia has the genetic mutation on one of her X chromosomes as illustrated above.She will have another non mutated X chromosome that will usually somewhat compensate for the defect in the other.t is called an X linked genetic disorder. A women who is a carrier for hemophilia has the genetic mutation on one of her X chromosomes as illustrated above. She will have another non mutated X chromosome that will usually somewhat compensate for the defect in the other.