Hemophilia

bleeders disease is a sex-linked hereditary blood curdling dis enunciate. The bloods softness to clot results in excessive bleeding, even from sharp injuries. The malady is caused by a lack of blood proteins, c twoed elements, which participate in blood clotting. There are trio types of haemophilia; haemophilia A, B and C. Hemophilia A is the most(prenominal) crude roll of the complaint and is found in 80 pct of both haemophiliacs. It is caused by a lack of constituent VIII. The flake most common form is haemophilia B, which is caused by the absence of factor IX. Twenty percent of the throng with this disease digest hemophilia B. Hemophilia C is caused by the lack of factor XI and moreover a small percentage of the people with the disease have this. The gene for hemophilia is located on the X chromosome. Hemophilia is a recessive sex-linked trait. Males more ordinarily get hemophilia because they only need to get wizard bad X chromosome, whereas women need to inherit two. Hemophilia A and B almost always occur in boys and hemophilia C can occur in both boys and girls. iodin in 10,000 men have hemophilia A or B. The disease is passed from mother to son through i of the mothers genes.

near effeminates who have the defective gene are only carriers and attest no signs of the disease. Of the children of a womanly carrier and a shape male, one fractional of the boys will have hemophilia and half of the girls will be carriers. Of the children of a average female and a male hemophiliac, all of the boys will be normal and half of the girls will be carriers. Of the child ren of a hemophiliac female and a normal mal! e, all of the boys will have hemophilia and all of the girls... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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