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Cystic fibrosis is a recessive genetic disease caused by a mutation in the gene that...

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Biology

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Cystic fibrosis is a recessive genetic disease caused by a mutation in the gene that encodes the CFTR protein, which transports chloride ions in and out of cells. Some populations have a relatively high rate of cystic fibrosis carriers, possibly because the mutation protects against severe dehydration in diseases like cholera or typhoid. What concept does this best illustrate?A. PleiotropyB. Polygenic traitsC. Genetic driftD. Heterozygote advantageMark for review (Will be highlighted on the review page)

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