A) Down's syndrome
B) sleeping sickness
C) haemophilia B
D) hepatitis B
Correct Answer: C
Solution :
Christmas disease is another name for haemophilia B characterised by the deficiency of factor IX. Down's syndrome is the disorder results when one chromosome (21st chromosomes in human beings) is present in 3 copies. Trypanosoma, is a protozoan, which causes sleeping sickness (African trypnosomiasis). Hepatitis B is caused by the hepatitis virus (HBV).You need to login to perform this action.
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