Multiple choice

What is a change in allele frequency from one generation to the next called?

  1. Evolution

  2. Endosymbiosis

  3. Catastrophism

  4. Hypothesis

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Evolution is defined in population genetics as a change in allele frequencies within a population over time. The other options refer to specific mechanisms or scientific concepts not synonymous with this definition.