A 28-year-old woman at 12 weeks’ gestation comes to the physician for prenatal visit. She is a known carrier of the ΔF508 mutation. The father’s genotype is unknown. If the fetus is determined to carry mutations in this same gene from both parents, abnormal transport of which of the following would be expected across some epithelial surfaces?
Chloride and potassium
Chloride and sodium
Phosphorus and bicarbonate
Sodium and potassium
Sodium and bicarbonate
