It has been hypothesized that people who are heterozygous for the allele that causes the deadly genetic condition cystic fibrosi

Question

8 days ago

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It has been hypothesized that people who are heterozygous for the allele that causes the deadly genetic condition cystic fibrosi

s (which, among other symptoms, reduces fertility) are more resistant to the deadly disease tuberculosis.If the cystic fibrosis allele protects against tuberculosis the same way the sickle-cell allele protects against malaria, then which of the following should be true of a comparison between regions with and without tuberculosis?a)Cystic fibrosis deaths should be more common in regions with tuberculosis.b) Cystic fibrosis deaths should be less common in regions with tuberculosis.c) Cystic fibrosis deaths should be equally common in both types of regions.d) Regional differences in the cystic fibrosis death rate should be purely random and unpredictable.

Biology

1 answer:

garik1379 [619] · Answer 1 · 2026-02-24T22:47:59+03:00

Answer:

A. Cystic fibrosis fatalities should be more prevalent in areas with tuberculosis.

Explanation:

Cystic fibrosis is a genetic disorder primarily affecting the lungs. Long-term effects include difficulty in breathing and mucus accumulation due to lung infections. Therefore, in regions where tuberculosis is widespread, deaths from cystic fibrosis may increase.

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It has been hypothesized that people who are heterozygous for the allele that causes the deadly genetic condition cystic fibrosi

Jonas finds it fascinating to observe the contrasts and resemblances between his family's home and the living quarters in the annex, particularly regarding the opulent decor and the book collection.