Test IMAT - Medicina in Inglese 2022-2023: domande di Biologia

A male child has haemophilia. Neither parent has the condition. The parents have a second child. Which of the following statements could be correct about this family? 1 - There is a 25% chance that the second child is a boy with haemophilia. 2 - There is a 75% chance that the second child does not show the condition. 3 - There is a 50% chance that the mother is a carrier. [Assume no other mutations.]