Cystic Fibrosis

Mutations in which gene causes cystic fibrosis?

• HTT

• PINK1

• CFTR

• HBB

What is the inheritance pattern of cystic fibrosis?

• Autosomal dominant

• Autosomal recessive

• X-linked dominant

• X-linked recessive

CF is associated with which process?

• DNA duplication

• Chromosomal synthesis

• Mitosis

• Meiosis

How many copies of the mutated CFTR gene are required for a person to develop cystic fibrosis?

• 1

• 2

• 3

• 4

Select all the characteristics associated with CF.

• Sickled red blood cells

• Sticky mucus buildup on the lungs

• Salty skin

• Tremors

Which of the following is mutated in CF?

• DNA

• RNA

• Lipids

• Carbohydrates

The mutated gene associated with CF is located on chromosome ___.

• 7

• X

• 21

• 13

CF affects which of the following? Select all that apply.

• Pancreas

• Lungs

• Heart

• Gall bladder

CF is passed on

• If both parents carry the dominant gene

• When one parent has the dominant gene

• If both parents carry the recessive gene

• When one parent carries the recessive gene

Which ion is unable to move across the membrane in CF?

• Chloride

• Hydrogen

• Fluoride

• Sodium