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The gene responsible for haemophilia is located on the X- chromosome but father passes only Y- chromosome to his som. Hence, son of a haemophilic father never suffer from this trait.
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The gene responsible for haemophilia is located on the X chromosome but to get a son father should passesY- chromosome to his Hence son will not suffer haemophilla
but his daughter will suffer
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Because haemophilia is a genetic disorder of X linked chromosome.The human male has XY chromosome and female has XX chromosome.So for a son to be formed the X chromosome of the female fuses with the Y chromosome of male.So the disease is not passes on to the son (as the disease is on the X chromosome of male,only the Y fuses).
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