Multiple Choice
In a population of 100 individuals, the frequency of allele A in generation 1 is 0.6. If no evolutionary forces act on the population, what will be the expected frequency of allele A in the 5th generation?
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21. Population Genetics
Allelic Frequency Changes
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Which of the following scenarios would cause gene flow between two populations, changing allele frequencies in the recipient population?
A
Individuals from one population migrate into another population and successfully reproduce there.
B
A new allele arises in the population due to a DNA replication error (mutation).
C
A random sampling event causes allele frequencies to change in a small population (genetic drift).
D
Individuals with a particular phenotype have higher survival and reproductive success (natural selection).
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Allelic Frequency Changes practice set
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