Question : Which of the following human genetic disorders is sex-linked?
Option 1: Haemophilia
Option 2: Cystic fibrosis
Option 3: Albinism
Option 4: Phenylketonuria
Correct Answer: Haemophilia
Solution : The correct option is Haemophilia.
Haemophilia is a sex-linked genetic condition in humans. A mutation in the genes responsible for blood clotting factors causes it, resulting in prolonged, and profuse bleeding, even from mild injuries. Because haemophilia is inherited on the X chromosome, it is more frequent in men. Females are frequently carriers of the gene, which they can pass on to their sons.
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