Also known as "Christmas Disease" (named after the first patient diagnosed with it), caused by a lack of Factor IX .
Hemophilia is almost always inherited and is "X-linked." This means the gene responsible for the condition sits on the X chromosome. bleeder's disease
Decades ago, the prognosis for someone with "bleeder's disease" was poor, often involving a short life expectancy and severe physical disability. Today, the landscape has changed: Also known as "Christmas Disease" (named after the
The most common type, caused by a lack of Factor VIII . bleeder's disease
Since males have only one X chromosome (XY), a single faulty gene causes the disease.
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