bottleneck
Population bottlenecks can reduce genetic diversity. This topic is part of Vocabulary within Language. This page currently draws on 6 supporting questions, with answers and bonus facts available below.
bottleneck trivia questions
A bottleneck is figuratively a point where what happens?
Answer: Flow is restricted
Bonus fact: The term comes from the narrow neck of a bottle.
In traffic, a bottleneck usually causes what?
Answer: Congestion
Bonus fact: A narrow or reduced-capacity section can slow the whole stream.
In population genetics, a bottleneck means a sharp temporary reduction in what?
Answer: Population size
Bonus fact: Population bottlenecks can reduce genetic diversity.
The bottleneck effect is a form of what evolutionary process?
Answer: Genetic drift
Bonus fact: It occurs when population size sharply decreases.
What usually happens to genetic diversity after a severe bottleneck?
Answer: It decreases
Bonus fact: Survivors carry only a subset of previous variation.
Which kind of event can cause a population bottleneck?
Answer: Natural disaster
Bonus fact: Fires, storms, hunting, or habitat loss can drastically reduce populations.