A) A responsible recessive gene present in the X-chromosome
B) A responsible dominant gene present in the X-chromosome
C) A responsible dominant gene present in the Y-chromosome
D) A responsible dominant gene present in the autosomal chromosome
Correct Answer: A
Solution :
Haemophilia is the most serious and notorious disease which is more common in man than in woman. The person which contains the recessive gene for haemophilia lacks normal dotting substance (thromboplastin) in blood so, amino injuries cause continuous bleeding and ultimate death. It is X-linked disease.
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