Mutations in the CFTR gene result in cystic fibrosis in ...

Question

Mutations in the CFTR gene result in cystic fibrosis in humans, a condition in which abnormal secretions are present in the lungs, pancreas, and sweat glands. The gene was mapped to a 500-kb region on chromosome 7 containing three candidate genes.

How would you prove that your chosen candidate is the CFTR gene?

Accepted Answer

Hey, everyone. Let's take a look at this question together. Which one of the following is a disorder that is brought on by mutations in the H E X A gene and is characterized by a lack of the hexosaminidase A enzyme which is required to break down specific fats in the brain and nervous system. Is it answer choice. A bear answer choice. B cystic fibrosis, answer choice C ta disease or answer choice. D Huntington's disease. Let's work this problem out together to try to figure out which of the following disorders is brought on by mutations in the H E X A gene. So we are talking about mutations in the H E X A gene. And one of the most common mutations in the H E X A gene is that Exxon 11 has a point mutation in which there is a single nucleotide change from a guanine to an adenine that causes crypto to be replaced by arginine. And that point mutation found in Exxon 11 of the H E X A gene is a mutation that is most frequently associated with Taya disease. So, a disorder that is brought on by mutations in the H E X A gene is Tasa disease making answer choice. C Taa disease. The correct answer. I hope you found this video to be helpful. Thank you and goodbye.

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