Select the Scenario in Which a Mutation May Become Fixed

question 167

Multiple Choice

Select the scenario in which a mutation may become fixed in a population.

• A) A mutation causing light skin shows up in a population of people living near the equator in South America.
• B) A mutation for a stubby tail occurs in a population of Eastern gray squirrels,which normally have long,bushy tails.
• C) Several bacteria in a population resistant to the antibiotic erythromycin show susceptibility to erythromycin because of a recent mutation.
• D) A mutation occurs in a population of brown toads,causing green stripes that allow for better camouflaging in its habitat.
• E) In a population of people whose main food source is the milk of their livestock,a mutation for lactose intolerance appears.

---

Definitions:

Defective Candy Bars

Candy bars that do not meet the production quality standards due to flaws.

Sample Size

The total number of instances or replications incorporated in a statistical sampling.

Population Proportion

The fraction or percentage of the population that exhibits a specific attribute or characteristic.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, reflecting how the statistic varies from sample to sample.