Evolutionary Applications in Agriculture
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Questions and Answers

What is one way to slow the rate at which genes for pesticide resistance spread?

  • Providing refuges where non-resistant insects thrive (correct)
  • Increasing the genetic variation of pests
  • Providing a large amount of pesticides
  • Breeding pesticide-resistant insects

How does knowledge of genetic variation and evolutionary relationships help farmers?

  • By helping them improve crop disease resistance (correct)
  • By reducing the nutritional value of crops
  • By allowing them to breed pesticide-resistant pests
  • By increasing the use of pesticides

What is a consequence of inbreeding in small populations?

  • Improved population survival
  • Increased genetic variation
  • Inbreeding depression (correct)
  • Increased population size

Why do small populations face difficulties in recovering?

<p>Due to inbreeding depression and low genetic variation (B)</p> Signup and view all the answers

What is one application of evolutionary theory in agriculture?

<p>Improving crop disease resistance (D)</p> Signup and view all the answers

What is the primary challenge in agriculture despite the advancement of technology?

<p>The evolution of insects and diseases (D)</p> Signup and view all the answers

What is the term for the intentional selection of certain traits in a population of organisms?

<p>Artificial selection (B)</p> Signup and view all the answers

What is the purpose of using selectable markers such as antibiotic resistance genes in genetic engineering?

<p>To manipulate DNA in molecular biology (C)</p> Signup and view all the answers

What is the process of evolving proteins with particular properties through repeated rounds of mutation and selection?

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

Why is the study of evolution relevant in fields such as medicine and conservation?

<p>Because it provides a framework for understanding how organisms adapt to changing environments (A)</p> Signup and view all the answers

What is the main advantage of using organisms with rapid generation times and small physical size in experimental evolution?

<p>They allow for the observation of evolutionary processes that occur too slowly in larger organisms (C)</p> Signup and view all the answers

According to Garland and Rose (2009), what defines experimental evolution?

<p>Research in which populations are studied across multiple generations under defined and reproducible conditions (B)</p> Signup and view all the answers

What is an example of an intentional 'field introduction' in experimental evolution?

<p>The introduction of a predator into a population's habitat (C)</p> Signup and view all the answers

What is NOT an example of experimental evolution?

<p>The genetic engineering of an organism for a specific trait (D)</p> Signup and view all the answers

What is a potential application of experimental evolution in conservation biology?

<p>The study of the evolutionary response of endangered species to environmental change (A)</p> Signup and view all the answers

What is the primary reason why a population with low genetic variation may face an increased risk of extinction?

<p>Because they lack the genetic variation necessary to respond to changing environmental variables (A)</p> Signup and view all the answers

Why do bacteria and viruses evolve rapidly?

<p>Because they have a short generation time and reproduce rapidly (C)</p> Signup and view all the answers

What is the process that weeds out deleterious alleles from a population over time?

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

What is the consequence of inbreeding depression in a population?

<p>Higher proportions of stillborn and deformed offspring (B)</p> Signup and view all the answers

Why is genetic variation essential for a population's survival?

<p>It enables the population to evolve in response to changing environmental variables (D)</p> Signup and view all the answers

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