Genetic Drift

question 26

Multiple Choice

Genetic drift

• A) can only operate when a population has more than l0,000 individuals
• B) causes two populations that normally don't interbreed to become more similar
• C) causes two populations that normally interbreed to become more similar
• D) may allow a very beneficial mutation to cause a speciation event

---

Definitions:

Sample Proportions

The fraction of items in a sample that are of a particular type.

Standard Error

A measure of the standard deviation of the sampling distribution of a statistic, often used in the estimation of confidence intervals.

Test Statistic

A numerical quantity calculated from a sample of data, used in statistical testing to make decisions about a population parameter.

P-value

The probability of achieving outcomes as significant as, or more significant than, the ones observed, under the premise that the null hypothesis is valid.