(Solved): 0. Natasha and Demarcus are planning on having children. Each has a sister with sickle cell disease ...

0. Natasha and Demarcus are planning on having children. Each has a sister with sickle cell disease. Neither Natasha nor Demarcus nor any of their parents have the disease, and none of them has been tested to see if they have sickle cell trait. a. Draw a pedigree representing this family, Be sure to clearly label Natasha and Demarcus. b. Note that neither Demarcus nor Natasha have the disease. What is the probability that Demarcus has the sickle cell trait? c. What is the probability Natasha has the sickle cell trait? d. Based on this information, calculate the probability that if this couple has a child, the child will have sickle cell disease.