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Year 13 Wednesday

Quiz by Thomas Holland

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9 questions
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  • Q1
    Which evolutionary process describes the loss of genetic variation that occurs when a population is drastically reduced in size?
    stabilising selection
    directional selection
    founder effect
    genetic bottleneck
    30s
  • Q2
    What is the term for the phenomenon where a small group of individuals establishes a new population, leading to reduced genetic diversity?
    founder effect
    genetic bottleneck
    genetic drift
    stabilising selection
    30s
  • Q3
    Which type of selection favors intermediate phenotypes over extreme ones?
    founder effect
    directional selection
    genetic drift
    stabilising selection
    30s
  • Q4
    Which evolutionary mechanism is characterized by random changes in allele frequencies within a population, particularly in small populations?
    directional selection
    genetic bottleneck
    stabilising selection
    genetic drift
    30s
  • Q5
    Which process occurs when environmental pressures favor one extreme phenotype over others in a population?
    genetic bottleneck
    genetic drift
    directional selection
    stabilising selection
    30s
  • Q6
    What term describes a situation where a population experiences a sharp reduction in size, resulting in a decrease in genetic diversity?
    genetic bottleneck
    directional selection
    stabilising selection
    founder effect
    30s
  • Q7
    What is the result of directional selection in a population over time?
    the population becomes extinct
    genetic diversity remains unchanged
    the frequency of a specific phenotype increases
    all phenotypes are equally favored
    30s
  • Q8
    Which evolutionary concept involves a significant reduction in population size followed by recovery, affecting the genetic variation within that population?
    genetic drift
    founder effect
    genetic bottleneck
    directional selection
    30s
  • Q9
    Which process leads to decreased genetic variation as a small group establishes a new population distinct from a larger one?
    founder effect
    stabilising selection
    genetic bottleneck
    directional selection
    30s

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