Warm-up Problem: Autosomal Recessive Steve and Linda have a history of cystic fibrosis (CF) in their families. Steve is a carrier of CF and Linda is heterozygous. They always wanted a family with three children (make the children any gender you wish). a. Complete a Pedigree showing these 5 people. b. Complete a Punnett square for Steve & Linda. c. What is the probability for having a healthy child? d. What is the probability that all three children will be healthy?

Warm-up Problem: Autosomal Recessive Steve and Linda have a history of cystic fibrosis (CF) in their families. Steve is a carrier of CF and Linda is heterozygous. They always wanted a family with three children (make the children any gender you wish). a.Complete a Pedigree showing these 5 people. b.Complete a Punnett square for Steve & Linda. c.What is the probability for having a healthy child? d.What is the probability that all three children will be healthy? Steve Linda Steve Lind a Steve Hh Steve Hh HH hh H h Hh 3/4 27/64 ¾ healthy

Warm-up Problem: Autosomal Dominance Rodney recently tested negative for the FH gene even though his mother and father had FH. Francine recently survived a heart attack at 34 years of age. They have two children who were recently tested negative for the FH gene. a. Complete a Pedigree showing these 6 people. b. Complete a Punnett square for Rodney & Francine. c. What is the probability for having a healthy child? d. What were the odds of Rodney being born without the FH gene?

Warm-up Problem: Autosomal Dominance Rodney recently tested negative for the FH gene even though his mother and father had FH. Francine recently survived a heart attack at 34 years of age. They have two children who were recently tested negative for the FH gene. a.Complete a Pedigree showing these 6 people. b.Complete a Punnett square for Rodney & Francine. c.What is the probability for having a healthy child? d.What were the odds of Rodney being born without the FH gene? Rodney Francine ¾ healthy hh Hh