Question

Cystic fibrosis is a :

• A. Dominant autosomal disorder
• B. Recessive sex linked disorder
• C. Recessive autosomal disorder
• D. Dominant sex linked disorder

Answer 1

Answer:

B. Recessive sex linked disorder

• Cystic fibrosis is a genetic disease.

• People with CF have inherited two copies of the defective CF gene — one copy from each parent.

• Both parents must have at least one copy of the defective gene.

• People with only one copy of the defective CF gene are called carriers, but they do not have the disease.