Figure 25.4
-This chapter's essay explains that the membrane protein involved in cystic fibrosis confers resistance to typhoid fever.Imagine that a drug-resistant form of typhoid fever becomes common worldwide,killing a significant proportion of the human population over a period of several decades.Which of the following would you expect to observe in the world population during this period?

Question

Figure 25.4 
-This chapter's essay explains that the membrane protein involved in cystic fibrosis confers resistance to typhoid fever.Imagine that a drug-resistant form of typhoid fever becomes common worldwide,killing a significant proportion of the human population over a period of several decades.Which of the following would you expect to observe in the world population during this period?

Quizplus · Accepted Answer

Since the membrane protein involved in cystic fibrosis confers resistance to typhoid fever, individuals with cystic fibrosis would have a selective advantage and be more likely to survive the typhoid fever outbreak. As a result, the frequency of cystic fibrosis in the population would increase over time.

Figure 25.4 -This Chapter's Essay Explains That the Membrane Protein Involved in Protein