With the help of the community we can continue to improve our educational resources. Hemophilia is a sex-linked recessive disease. A doctor may suspect hemophilia in a child whose bleeding is unusual. That is why there have been only a few girls born with hemophilia.
A characteristic of X-linked inheritance is that fathers cannot pass X-linked traits to their sons. A daughter will get either her mother's X chromosome with the hemophilia gene or her mother's X chromosome with the normal gene for clotting.
How are hemophilia A and B inherited passed? Copyright Notice.
Does this mean that the mother alone is the one responsible for having a child with hemophilia? This means that when the factor deficiency is inherited from only one is hemophilia sex linked recessive or dominant in Phoenix, the child will be a carrier of the condition, but usually not have symptoms.
Factor X deficiency was first discovered in a man with the surname Stuart from North Carolina. Diagnosis is made with a prothrombin time PT test and an activated partial thromboplastin time aPTT test. Bleeding can swell the base of the tongue until it blocks the airway, making breathing difficult.
We are unaware of most of them. Specific factor XIII assays can confirm the diagnosis.
The daughters are just as likely to be hemophilic as the sons. Sign In. Overview There are several X-linked or sex-linked recessive genetic disorders, hemophilia, muscular dystrophy which are inherited through a genetic defect on an X chromosome.