Which outcome is LEAST likely if two populations remain in contact and continue exchanging migrants (gene flow)?
Show answer and explanation
Correct answer: Reproductive isolation leading to speciation
Ongoing gene flow homogenizes allele frequencies and reduces divergence, making speciation via reproductive isolation highly unlikely while migration continues.
Keep practicing
More Evolution and speciation questions
- Which process introduces new heritable variation into a population that can be acted upon by evolutionary forces?
- How can sexual selection contribute to speciation within a population?
- Which pattern of evolution describes the evolution of similar traits independently in unrelated lineages due to similar selective pressures?
- What does the term “reproductive isolation” refer to in the context of speciation?
- Which of the following best describes parapatric speciation?
- Why is speciation considered a macroevolutionary process, distinct from microevolution?