nvm.

Can someone help me answer these questions
B) With reference to the story above and the pedigree diagram that you have produced: What is the approximate percentage chance that Asma’s unborn son will exhibit the X-linked ichthyosis phenotype due to inheriting the causative mutation, if it was carried by Brian’s maternal great-grandmother? Please give your answer as a percentage to one decimal place and show/explain your working.
C) With reference to the story above and the pedigree diagram that you have produced: What is the approximate percentage chance that Nadia’s 6-year-old niece will carry the X-linked ichthyosis causative mutation, if it was carried by Brian’s maternal great-grandmother? Please give your answer as a percentage to one decimal place and show/explain your working.