Question

The human male never passes on the gene for haemophilia to his son?

Answer 1

It is useful to know that the gene accountable for the haemophilia is a situation on the X-chromosome but male passes just the Y-chromosome to the son.

Therefore, the son of the haemophilic father does not suffer from the trait.

It is really important because it will prevent lots of unwanted hassles in the future of his son.

Answer 2

Answer:

Haemophilia is a sex-linked recessive disease. The defective genes present on the X chromosome only and not on the Y chromosome. As the father always contributes a Y chromosome and never passes an X chromosome to his son, the gene for haemophilia can never be passed from a father to his son.

Explanation:

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