Multiple Choice
Which two processes increase genetic variation in a population?
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22. Evolution of Populations
Genetic Variation
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Genetic variation in a population refers to which of the following?
A
The ability of an organism to adapt to its environment
B
The number of individuals in a population
C
Differences in DNA sequences among individuals
D
The process of natural selection acting on a population
Verified step by step guidance1
Genetic variation refers to the differences in DNA sequences among individuals within a population.
These differences can arise from mutations, gene flow, or sexual reproduction, which introduce new genetic combinations.
Genetic variation is crucial for the process of natural selection, as it provides the raw material for evolution.
Natural selection acts on these variations, favoring traits that enhance survival and reproduction in a given environment.
Over time, genetic variation can lead to adaptation, where populations become better suited to their environments.
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