Marfan syndrome is an autosomal dominant disorder caused by a dominant allele MMM.
A woman with Marfan syndrome has a father who does not have the condition. The woman's partner also does not have the condition.
The couple has five children.
Calculate the probability that all five of their children will be unaffected by Marfan syndrome. Give your answer as a fraction, decimal, or percentage.
66 exam-style questions on Edexcel IGCSE Biology Inheritance. Each one has a worked solution and a mark scheme showing where the marks go.