Multiple Choice
Why is widespread resistance to tuberculosis (TB) not likely to evolve any time soon?
A) Only a small percentage of people who are nonresistant to the bacterium will become infected and die from TB, so the variant will stay in the population.
B) TB is highly fatal, so those who are nonresistant will die quickly.
C) Humans are no longer evolving, so the population cannot develop widespread resistance.
D) It would be too expensive to genetically engineer people to give them the resistance gene.
Correct Answer:

Verified
Correct Answer:
Verified
Q45: Your friend was diagnosed with strep throat
Q46: Which step in the theory of natural
Q47: When a population of organisms is evolving,
Q48: Which plant is the most fit?<br>A) a
Q49: What causes the disease tuberculosis?<br>A) a particular
Q51: True or false: Any allele that's present
Q52: Why haven't humans evolved a resistance to
Q53: What is the primary body part affected
Q54: Which event is the most direct (or
Q55: What traits increase fitness in a particular