Population Genetics PKU (Phenylketonuria) Quiz
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Questions and Answers

What is the genotype frequency of homozygous recessive individuals (aa) in the population?

  • 0.0
  • 0.2 (correct)
  • 0.6
  • 0.4

What does p represent in the context of random mating and genotypic frequencies?

  • Number of a gametes
  • Total gametes
  • Frequency of allele a
  • Frequency of allele A (correct)

Which condition is essential for Hardy-Weinberg Equilibrium?

  • Small population (correct)
  • Natural selection
  • Gene flow
  • Mutation

If the gene frequency p = 0.6, what is the frequency of allele a (q)?

<p>0.4 (C)</p> Signup and view all the answers

If the frequency of upper A upper A individuals is 0.4, what is the frequency of heterozygous individuals (Aa)?

<p>0.3 (C)</p> Signup and view all the answers

Assuming no migration, mutation, or natural selection, what will happen to genotypic frequencies over generations in a large population?

<p>Remain constant (B)</p> Signup and view all the answers

In natural selection, which of the following is true about the operation of selection?

<p>Depends heavily on the environment (B)</p> Signup and view all the answers

What is required for natural selection to occur?

<p>Variation (D)</p> Signup and view all the answers

Which genetic concept does the Hardy-Weinberg equilibrium illustrate?

<p>Fixed gene frequencies (C)</p> Signup and view all the answers

What is the outcome of stabilizing selection in a population?

<p>Maintenance of average phenotype (B)</p> Signup and view all the answers

Why is behavioral flexibility important for soapberry bugs during copulation?

<p>To adapt to changing environments (C)</p> Signup and view all the answers

What do Darwin's finches demonstrate with the correlation between beak depth and beak width?

<p>'Tug of War' between traits (D)</p> Signup and view all the answers

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