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==Factor IX ==
 
==Factor IX ==
 
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Factor IX is 'Christmas Factor' and deficiency causes '''haemophilia B'''. This occurs presominantly in Cairn Terriers and Black and Tan Hounds. It is similar to Factor VIII deficiency; a sex-linked (X chromosome) recessive that results in a deficient haemostatic plug.
* Factor IX is Christmas Factor.
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* Deficiency causes '''haemophilia B'''.
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** Seen in Cairn Terriers and Black and Tan Hounds.
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** A sex-linked (X chromosome) recessive.
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** Results in a deficient haemostatic plug.
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*** Similar to Factor VIII deficiency.
      
==Factor XI==
 
==Factor XI==
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