Population Genetics: Allele Frequency Changes Over Time

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Questions and Answers

What term describes a species that is native to a certain area and found nowhere else in the world?

  • Endemic species (correct)
  • Native species
  • Exotic species
  • Invasive species

Which of the following best describes the Channel Island Fox in relation to its origin?

  • It is a common species found worldwide
  • It is an invasive species from the mainland
  • It is an exotic species introduced by humans
  • It is an endemic species to the Channel Islands (correct)

What does the term 'genotype frequencies' refer to in the context of population genetics?

  • The study of gene mutations in a population
  • The number of individuals carrying a recessive allele
  • The variety of alleles found in an individual
  • The percentage of a specific genotype in a population (correct)

How are gene alleles related to genotype frequencies in a population?

<p>Genotype frequencies influence the expression of gene alleles (D)</p> Signup and view all the answers

In population genetics, what is meant by 'allele frequency'?

<p>The percentage of a specific allele relative to all alleles for that gene in a population (D)</p> Signup and view all the answers

How does the concept of 'gene pool' relate to genetic diversity?

<p>Gene pool represents the variety of genetic traits in a population (C)</p> Signup and view all the answers

What is the significance of a species having a small gene pool?

<p>Reduced risk of genetic disorders (C)</p> Signup and view all the answers

How can changes in genotype frequencies impact the evolution of a population?

<p>'Bottleneck effect' (B)</p> Signup and view all the answers

What phenomenon refers to new individuals establishing a population that is genetically different from the original population?

<p>'Founder effect' (B)</p> Signup and view all the answers

'Gray Fox' migrating to Channel Islands and giving rise to 'Channel Island Fox' is an example of:

<p>'Gene flow' (B)</p> Signup and view all the answers

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