Is hemophilia autosomal or sex linked

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X and Y are sex chromosomes. Dominant inheritance occurs when an abnormal gene from one parent causes disease, even though the matching gene from the other parent is normal. The abnormal gene dominates. But in recessive inheritance, both matching genes must be abnormal to cause disease. If only one gene in the pair is abnormal, the disease does not occur or it is mild.

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Inheritance Patterns in Hemophilia

People who have hemophilia often have longer bleeding after an injury or surgery. People who have severe hemophilia have spontaneous bleeding into the joints and muscles. Hemophilia occurs more commonly in males than in females. The two most common types of hemophilia are hemophilia A also known as classic hemophilia and hemophilia B also known as Christmas disease. People who have hemophilia B have low levels of factor nine FIX.

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Sign Up. Pick out the correct statements. Asked on November 22, by Veer Desai. Hemophilia A and hemophilia B are inherited in an X-linked recessive pattern. The genes associated with these conditions are located on the X chromosome, which is one of the two sex chromosomes.

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