Human Health and DiseaseHard

Question

Christmas disease is another name for

Options

A.Down′syndrome
B.sleeping sickness
C.haemophilia-B
D.hepatitis-B

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 chromosome in human beings) is present in 3 copies. Trypanosoma, is a protozoan, which causes sleeping sickness (African trypnosomiasis). Hepatitis-Bis caused by the hepatitis-B virus (HBV).

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