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NEET2003ZoologyPrinciples of Inheritance and VariationActual

Christmas disease is another name for

Options

  1. Ahaemophilia B
  2. Bhepatitis B
  3. CDown's syndrome
  4. Dsleeping sickness

Correct answer

A. haemophilia B

Step-by-step solution

Christmas disease, also called haemophilia B or factor IX haemophilia is a genetic disorder caused by missing or defective factor IX , a clotting protein. Haemophilia A is caused by a lack of the blood clotting factor VIII.

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