Which is X-linked recessive trait with locus in Xq $28$ and related to factor VIII?

Haemophilia A

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Haemophilia B

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Haemophilia C

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Christmas disease

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Solution

The correct option is A Haemophilia A
Haemophilia A, also called factor VIII (FVIII) deficiency or classic hemophilia, is a genetic disorder caused by missing or defective factor VIII, a clotting protein.

So, the correct answer is 'Haemophilia A'.

Suggest Corrections

	Column I		Column II
A.	Autosomal recessive trait	(i)	Downs syndrome
B.	Sex-linked recessive trait	(ii)	Phenylketonuria
C.	Metabolic error linked to autosomal recessive trait	(iii)	Haemophilia
D.	Additional 21st chromosome	(iv)	Sickle cell anaemia