The following pedigree shows the inheritance of an autosomal…

The following pedigree shows the inheritance of an autosomal recessive disorder. II-1 and II-2 plan to have three children. What is the probability that all three children will be affected? Select the right answer and write your calculations on your scratch paper for credit.

Eloise’s grandmother suffered from an X-linked disease. If E…

Eloise’s grandmother suffered from an X-linked disease. If Eloise’s uncle (II-5) marries a healthy/non-carrier woman, what is the probability of them having 3 healthy children? Hint: First determine the type of X-linked disease (recessive or dominant). Select the right answer and write your calculations on your scratch paper for credit.

Hemophilia is an X-linked recessive trait. A woman with hemo…

Hemophilia is an X-linked recessive trait. A woman with hemophilia and a man who does not suffer from hemophilia decide to have children. What is the probability that their first child suffers from the disorder? Select the right answer and write your calculations on your scratch paper for credit.