A man and woman marry. They have five children, 2 girls and 3 boys. The mother is a carrier of hemophilia, an A man and woman marry. They have five children, 2 girls and 3 boys. The mother is a carrier of hemophilia, an
X-linked disorder. She passes the gene on to two of the boys who died in childhood and one of the daughters is
also a carrier. Both daughters marry men without hemophilia and have 3 children (2 boys and a girl). The carrier
daughter has one son with hemophilia. One of the non-carrier daughter's sons marries a woman who is a carrier
and they have identical twin daughters. What is the percent chance that each daughter will also be a carrier?