There are tests to identify carriers that allow couples with a family history of a disorder to make informed decisions about having children. Genetic counseling for these families is based on Mendelian genetics and probability rules. Work through the example of hypothetical couple Tyler and Lily on p. 288 of your text to understand the mathematics involved. Then, solve the following problems. Lucia and Jared each have a sibling with cystic fibrosis; neither Lucia or Jared nor any of their parents have the disease. a. Calculate the probability that a child born to this couple will have cystic fibrosis. Show your work and explain your answer. b. What would be the probability if a test revealed that Jared is a carrier, but Lucia is not