Question { 6695 }

Is Haemophilia a sex linked disease?how?

Answer

Yes,The gene for Haemophilia is carried on the X sex
chromosome (females are XX; males are XY). A man with
Haemophilia passes the faulty gene to his daughters who
then carry this gene and may pass the condition onto their
sons. A man with Haemophilia does not pass the faulty gene
onto his sons because they receive a copy of his Y
chromosome (their X chromosome comes from the mother).