Evolutionary Applications in Agriculture

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Questions and Answers

What is the outcome of the recognition of AVR proteins by R proteins in plants?

  • Activation of effector molecules
  • Increased secretion of AVR proteins
  • Triggering of defense responses including the hypersensitive response (correct)
  • Susceptibility of the plant to disease

What is the primary goal of artificial selection in breeding for desirable traits in animals?

  • To create hybrids with wild relatives
  • To select for specific traits such as increased muscle mass (correct)
  • To reduce the reliance on pesticides
  • To increase genetic diversity in populations

What is the significance of the genetic relationship between domestic corn and wild teosinte?

  • It suggests that genes found in teosinte may be useful in corn (correct)
  • It demonstrates the importance of genetic diversity in agriculture
  • It provides a model for understanding pesticide resistance
  • It highlights the role of R-AVR gene interactions in plant disease resistance

What is the result of the evolution of pests in response to pesticide use?

<p>Development of pesticide resistance in pests (A)</p> Signup and view all the answers

What is the purpose of exploiting R-AVR gene interactions in the field?

<p>To control diseases in crops (D)</p> Signup and view all the answers

What is the primary goal of providing refuges where non-resistant insects thrive?

<p>To slow the rate at which genes for pesticide resistance spread (A)</p> Signup and view all the answers

How can knowledge of genetic variation and evolutionary relationships benefit farmers?

<p>By improving disease resistance in crops (C)</p> Signup and view all the answers

What is a major concern in small populations, according to evolutionary theory?

<p>Inbreeding depression (B)</p> Signup and view all the answers

What is the strategy to minimize pest damage?

<p>To provide refuges for non-resistant insects (D)</p> Signup and view all the answers

What is the benefit of preserving species and maintaining a large population size?

<p>Increased genetic variation and reduced extinction risk (C)</p> Signup and view all the answers

What is the estimated number of mutations that occur in the common flu per year?

<p>50 mutations (D)</p> Signup and view all the answers

What is the primary mechanism by which diseases evolve resistance to antibiotics?

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

What is the main purpose of vaccines, according to the concept of evolutionary applications in medicine?

<p>To recognize and enhance the immune system's response to microbial threats (C)</p> Signup and view all the answers

What is the term for the process by which scientists can change an organism's DNA?

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

What is the primary challenge in developing a permanent vaccine against the flu?

<p>The flu virus has a high mutation rate (D)</p> Signup and view all the answers

CRISPR-Cas9 is a naturally occurring genome editing system in bacteria.

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

CRISPR-Cas9 is currently used to treat human diseases.

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

Experimental evolution involves the study of evolutionary processes in large multicellular organisms

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

Field evolution studies involve the intentional introduction of a population into a new habitat in the wild

<p>True (A)</p> Signup and view all the answers

CRISPR arrays are used by bacteria to target their own DNA.

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

The primary goal of genome editing is to understand diseases using cells and animal models.

<p>True (A)</p> Signup and view all the answers

Experimental evolution is limited to laboratory studies

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

Experimental evolution is a research approach that focuses on short-term evolutionary changes

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

Genome editing is only useful for treating single-gene disorders.

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

Garland and Rose's definition of experimental evolution excludes studies that involve evolutionary changes in response to naturally occurring events

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

Low genetic variation in a population can increase the risk of extinction due to inability to evolve in response to changing environmental variables.

<p>True (A)</p> Signup and view all the answers

Inbreeding depression is caused by the accumulation of beneficial alleles in a population over time.

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

Natural selection acts more slowly in populations with shorter generation times.

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

Higher proportions of stillborn and deformed offspring are more likely to occur in larger populations.

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

Genetic variation is the raw material of evolution, but it is not necessary for a population to evolve in response to changing environmental variables.

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

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