A 31-year-old man has an infertility work-up. He has aspermia. He also has chronic diarrhea with elevated quantitative stool fat. He has had recurrent, severe respiratory tract infections since early childhood. As a neonate, he had bowel obstruction from meconium ileus. He is most likely to have an abnormality involving mutation in which of the following genes?
A 31-year-old man has an infertility work-up. He has aspermia. He also has chronic diarrhea with elevated quantitative stool fat. He has had recurrent, severe respiratory tract infections since early childhood. As a neonate, he had bowel obstruction from meconium ileus. He is most likely to have an abnormality involving mutation in which of the following genes?
💡 Explanation
A 31-year-old man has an infertility work-up. He has aspermia. He also has chronic diarrhea with elevated quantitative stool fat. He has had recurrent, severe respiratory tract infections since early childhood. As a neonate, he had bowel obstruction from meconium ileus. He is most likely to have an abnormality involving mutation in which of the following genes?
✓ Correct Answer: A. CFTR
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