Which Statement Expresses Accurately the Genetic Implications of Cystic Fibrosis

question 16

Multiple Choice

Which statement expresses accurately the genetic implications of cystic fibrosis (CF) ?

• A) If it is present in a child,both parents are carriers of this defective gene.
• B) It is inherited as an autosomal dominant trait.
• C) Seventy percent of individuals with CF in Canada are children.
• D) There is a 50% chance that siblings of an affected child will also be affected.

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