The CFTR gene is located on which chromosome?

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Multiple Choice

The CFTR gene is located on which chromosome?

Explanation:
The main idea here is knowing where a gene sits in the genome. The CFTR gene, which encodes the cystic fibrosis transmembrane conductance regulator, is located on chromosome 7, specifically at 7q31.2 on the long arm. This fixed chromosomal location has been established through genetic mapping and sequencing. So chromosome 7 is the correct place for CFTR. The other chromosomes listed are associated with different genes, not CFTR, so they don’t fit.

The main idea here is knowing where a gene sits in the genome. The CFTR gene, which encodes the cystic fibrosis transmembrane conductance regulator, is located on chromosome 7, specifically at 7q31.2 on the long arm. This fixed chromosomal location has been established through genetic mapping and sequencing. So chromosome 7 is the correct place for CFTR. The other chromosomes listed are associated with different genes, not CFTR, so they don’t fit.

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