This is a genetics course. Parts a through d need to be
answered

Consider the following pedigree of a rare X-linked recessive disease. a) If individuals A and B have a child, what is the probability that the child will have the disease? b) If individuals C and D have a child, what is the probability that the child will have the disease? c) If the first child of C and D is normal, what is the probability that their second child will have the disease? d) If the first child of C and D has the disea.se. what is the probability that their second child will have the disease?