Family Trees

• Is cystic fibrosis a dominant or recessive condition?

  Recessive 
• Cystic fibrosis is a recessive condition.

  Which of the genotypes below would result in an individual having cystic fibrosis?

  Homozygous recessive
• Cystic fibrosis is a recessive condition.

  Which of the genotypes below would result in an individual being a carrier for cystic fibrosis?

  Heterozygous