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What is A 34-year-old, G, P0, presents for genetic counselling at 12 week's gestation. The patient has two sisters and a brother; her father
has haemophilia. Her siblings are not affected, but she has a nephew that is: and explain in detail?
Haemophilia is an X-linked recessive disease. These diseases are more common in men than in women.
An affected male will not pass the diseases to his sons, but all daughters will be carriers. X-linked recessive diseases are transmitted from carrier women to affected men.