Question

18. Which of the following best explains how resistance to a disease could spread throughout a population?Organisms that are disease resistant are most likely to survive and reproduce.Organisms which are disease resistant would cause extinction of the disease causing agent.A mutation for resistance to disease would most likely be a dominant trait.A mutation for resistance to disease has a high probability of occurring.

Answer 1

Between the following options the one that best explains how resistance to a disease could spread in a population is by organisms that are disease resistant are most likely to survive and reproduce in the population, that way the resistance trait will stay in the population.