Which of the following best defines biological evolution in a population genetics context?
Show answer and explanation
Correct answer: Change in allele frequencies within a population over time
Evolution in population genetics refers to changes in allele frequencies across generations within a population, not changes within an individual’s lifetime.
Keep practicing
More Evolution and speciation questions
- Which of the following is NOT considered a primary mechanism driving evolution?
- What effect does genetic drift most strongly have on a population?
- What is the consequence of gene flow between two previously isolated populations?
- Which condition must be met for populations to undergo speciation?
- What is the most common mode of speciation observed in nature, especially when populations are geographically separated?
- In allopatric speciation, which force tends to contribute most to genetic divergence between the geographically separated populations?