HS BIO 002 2nd Semester MODULE 1: RECOMBINATION BIOTECHNOLOGY Quiz
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What is the primary goal of genetic engineering?

  • To identify and insert desirable traits in another organism (correct)
  • To produce biofuels
  • To create new species of plants and animals
  • To study the behavior of genes

    • Which of the following is NOT an area where biotechnology is mostly used?

  • Biofuels
  • Medicine
  • Astronomy (correct)
  • Agriculture

    • What is the full form of the acronym 'BT' in 'BT Plants'?

  • Biofuel
  • Biofortification
  • Biotechnology
  • Bacillus thuringiensis (correct)

    • What is the purpose of introducing the gene responsible for producing harmful proteins to plants?

    <p>To make the plants insect-repellant</p> Signup and view all the answers

    What is the purpose of biofortification in the context of Golden rice?

    <p>To increase the nutritional value of rice</p> Signup and view all the answers

    Which of the following is the most common gene editing tool used in genetic engineering?

    <p>CRISPR</p> Signup and view all the answers

    What is the term used to describe the introduction of a new habitat without a living organism of the same species?

    <p>Founder effect</p> Signup and view all the answers

    What is the genetic condition that is more prevalent in the Tristan da Cunha islands due to the founder effect?

    <p>Retinitis pigmentosa</p> Signup and view all the answers

    What is the key characteristic of polygenic traits?

    <p>They are caused by changes in a number of genes.</p> Signup and view all the answers

    How did the founder effect contribute to the prevalence of retinitis pigmentosa in the Tristan da Cunha islands?

    <p>The founders were all carriers of the recessive allele for retinitis pigmentosa.</p> Signup and view all the answers

    What is the key factor that contributes to the persistence of genetic mutations in the Amish community?

    <p>The Amish are isolated and typically marry within their own community.</p> Signup and view all the answers

    Which of the following is an example of a polygenic trait?

    <p>Height</p> Signup and view all the answers

    What is the main difference between natural and artificial selection?

    <p>Natural selection is a slow and long process, while artificial selection is fast.</p> Signup and view all the answers

    What does genetic drift refer to?

    <p>Genetic drift is the change in allele frequencies due to chance events.</p> Signup and view all the answers

    How does genetic drift affect small populations?

    <p>Genetic drift can cause big changes in allele frequency over time in small populations.</p> Signup and view all the answers

    What is the significance of fixation in genetics?

    <p>Fixation eliminates alleles from the population.</p> Signup and view all the answers

    Why is genetic drift not exactly replicable in degree?

    <p>Genetic drift involves random events and is not precisely predictable.</p> Signup and view all the answers

    In what way does artificial selection differ from natural selection?

    <p>Artificial selection involves favoring desired characters, unlike natural selection.</p> Signup and view all the answers

    What is a common symptom of Ellis-van Creveld syndrome?

    <p>Extra fingers or toes</p> Signup and view all the answers

    What does the founder effect contribute to in the case of Ellis-van Creveld syndrome among the Amish?

    <p>Higher prevalence of the syndrome</p> Signup and view all the answers

    What does a phylogenetic tree represent?

    <p>Actual evolutionary history of organisms</p> Signup and view all the answers

    What is the main purpose of a cladogram?

    <p>To show relationships based on attributes</p> Signup and view all the answers

    How can one interpret species relationship in a phylogenetic tree?

    <p>The closer lines are, the more closely related the species</p> Signup and view all the answers

    Which term refers to the process by which populations evolve to become distinct species?

    <p>Speciation</p> Signup and view all the answers

    What is the main purpose of taxonomy?

    <p>To classify organisms based on their similarities</p> Signup and view all the answers

    What is a dendrogram?

    <p>A two-dimensional diagram representing the relationships among organisms</p> Signup and view all the answers

    Which of the following is NOT a reason why systematics is important?

    <p>It helps in determining the genetic code of organisms</p> Signup and view all the answers

    What is the main characteristic of artificial classification?

    <p>It is based on one or a few easily observable characteristics</p> Signup and view all the answers

    Which of the following statements about comparative biochemistry is true?

    <p>The nucleic acids in almost all organisms have the same genetic code</p> Signup and view all the answers

    What is the difference between taxonomy and systematics?

    <p>Taxonomy is the science of classification, while systematics is the science of identifying evolutionary relationships</p> Signup and view all the answers

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