The reason why haemophilia is more commonly observed in human males than in females is due to

Question: The reason why haemophilia is more commonly observed in human males than in females is due to

1. the disease is due to Y-linked recessive mutation

2.the disease is due to X-linked recessive mutation

3.as a huge population of girls die in infancy

4.the disease is due to X-linked dominant mutation

Answer:2