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Warm-up Problem : Autosomal Recessive

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).

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Warm-up Problem : Autosomal Recessive

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  1. 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?

  2. 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). Linda Steve Complete a Pedigree showing these 5 people. Complete a Punnett square for Steve & Linda. What is the probability for having a healthy child? What is the probability that all three children will be healthy? Hh Hh ¾ healthy Steve ¾ healthy Linda ¾ healthy Steve H h 3/4 Hh H HH Steve Steve Hh hh h Steve Steve 27/64

  3. Warm-up Problem: Autosomal Dominance Rodney recently tested negative for the FH gene even though his mother and father had FH. Rodney’s wife Francine (FH runs in her family), 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?

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

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