12 Questions
What is the primary requirement for evolution to occur?
Genetic variation among individuals
What is the result of natural selection?
Adaptive evolution
What is the purpose of the Hardy-Weinberg equation?
To test whether a population is evolving
What is the effect of gene duplication on genetic variation?
Increases genetic variation
What is the sum of allele frequencies in a population?
Always equal to 1
What is the condition for a population to be considered non-evolving?
Meeting the Hardy-Weinberg principle
What is the primary assumption of the Hardy-Weinberg Principle?
Allele frequencies remain constant over generations
What is the effect of genetic drift on genetic variation?
It decreases genetic variation by losing alleles
Which of the following is an example of natural selection?
The increase in frequency of an allele that confers resistance to DDT
What is the percentage of carriers for PKU in the population, given that 1/10,000 babies in the US have the disease?
5%
What is the name of the phenomenon where a small group of individuals establishes a new population, leading to a loss of genetic variation?
Founder effect
What are the three major factors that alter allele frequencies and bring about most evolutionary change?
Natural selection, genetic drift, gene flow
Explore the principles of microevolution, including the mechanisms that change allele frequencies in a population over time. Learn about natural selection, genetic drift, and gene flow, and how they contribute to adaptive evolution.
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