system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
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:
assistant
The correct answer is  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.