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3 cards from this section. Quick, good the night before a test.
What is genetic variation?
Think about how siblings might look similar, but each has unique traits.
Name a source of genetic variation.
Consider changes in the DNA sequences.
What role does genetic variation play in evolution?
Think about why diversity in traits is beneficial.
True or False: Gene flow decreases genetic diversity in populations.
Consider how new genes enter a population.
Analyze how gene flow can affect the evolutionary dynamics of a species in different environments.
Consider how movement between populations can diversify genetic traits.
Evaluate how mutations contribute to the overall fitness of a population in changing environments.
Think about how random changes can lead to significant advantages.
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