Genetic Drift and Gene Flow
Quiz
•
Science
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Lisa Thompson
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Genetic Diversity is increased through this process.
Gene Flow
Genetic Drift
2.
MATCH QUESTION
1 min • 5 pts
Increases genetic variation
Genetic Drift
Population gets smaller (Natural Disaster)
Founders Effect
Usually decreases genetic variation
Bottle Neck
Change in DNA sequence
Gene Flow
Starting a new population
Mutation
Tags
NGSS.HS-LS4-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following best describes genetic drift?
A process by which allele frequencies in a population change due to migration.
A mechanism of evolution that occurs when an organism's traits are inherited by its offspring.
A change in allele frequencies in a population due to chance events.
The transfer of alleles from one population to another, leading to changes in allele frequencies.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the founder effect?
The loss of genetic variation when a new colony is established by a very small number of individuals from a larger population.
The process by which new species are created from existing species.
The increase in genetic variation due to the introduction of new alleles into a population.
The effect of natural selection on a population's genetic variation.
Tags
NGSS.HS-LS4-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The bottleneck effect is a type of genetic drift that occurs when:
A large population migrates to a new habitat.
A population's size is significantly reduced for at least one generation.
New individuals are born with mutations.
A population splits into two or more isolated groups.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following scenarios is an example of gene flow?
A flood drastically reduces the number of a certain fish species in a lake.
Pollen from genetically modified crops drifts to nearby organic crops.
A mutation occurs in a lizard population, causing a new color variation.
A predator species is introduced into an ecosystem, changing the prey species' behaviors.
Tags
NGSS.HS-LS4-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What role does genetic drift play in evolution?
It increases the fitness of individuals in a population.
It decreases genetic variation within populations but increases genetic variation between populations.
It ensures that advantageous traits become more common in a population.
It has no role in evolution.
Tags
NGSS.HS-LS4-2
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