Instructions

Cystic fibrosis (CF) is an autosomal recessive disease. Complete the questions below onen amse a. Assign a letter for each allele: Does not have CF= Has CF ons en b. Give the genotype for a person who does not have CF: c. Give the genotype for a person who is a carrier for CF: d. Give the genotype for a person who has CF: Discount storba e. If one parent is homozygous dominant and the other parent is a carrier for CF, what percentage of their children could be affected by the disease (they have Cystic Fibrosis)? Show your work below, including a Punnett square. f. If both parents are carriers of cystic fibrosis, what percentage of their children could be affected by the disease? Show your work below, including a Punnett square.

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