Urgent ! bill and jenny have three children. one of their children has cystic fibrosis, which is a recessive disorder (cc). neither of the parents has the disorder. part a: explain how it is genetically possible that one of their children has cystic fibrosis. (3 points) part b: what are the odds that each child produced by bill and jenny could have cystic fibrosis? (1 point)

Crossing over is a method of (blank)?

Which of the following forest management practices is best for reestablishing areas of forest?

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints