Biotechnology and Genetics Overview
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Questions and Answers

What is the primary purpose of therapeutic cloning?

  • To produce recombinant DNA technology
  • To produce genetically identical individuals
  • To carry a baby until birth
  • To create human embryos for research purposes (correct)
  • Which of the following is a key tool used in recombinant DNA technology?

  • Cloning
  • Restriction enzymes (correct)
  • Somatic cell nuclear transfer
  • Surrogate mother
  • What is the primary function of DNA cloning vectors?

  • To modify the DNA using enzymes
  • To carry the target gene into the host cell (correct)
  • To produce genetically identical individuals
  • To isolate the target gene
  • Which of the following is not a stage in recombinant DNA technology?

    <p>Somatic cell nuclear transfer</p> Signup and view all the answers

    What is the role of a host cell in recombinant DNA technology?

    <p>To allow the cloning vector to replicate within it</p> Signup and view all the answers

    What is the first step in the process of recombinant DNA technology?

    <p>Selection and isolation of target gene</p> Signup and view all the answers

    Which of the following is not a disturbance to the Hardy-Weinberg Principle?

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

    What is the term used to describe a sharp-lowering of a population's gene pool?

    <p>Genetic bottleneck</p> Signup and view all the answers

    Which of the following is not an evidence for Darwin's Theory of Common Descent?

    <p>Preferential survival/reproduction</p> Signup and view all the answers

    What is the term used to describe the reduction in genetic variation when a few individuals from a population start a new population?

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

    Which of the following is not a type of selection?

    <p>Gene flow</p> Signup and view all the answers

    What is the term used to describe the physical flow of alleles in and out of a population?

    <p>Gene flow</p> Signup and view all the answers

    What is the term for structures that have the same function but different structure?

    <p>Analogous structures</p> Signup and view all the answers

    Which of the following animals is an example of homologous structures?

    <p>Llama and camel</p> Signup and view all the answers

    What are structures that have diminished in size due to no apparent usage called?

    <p>Vestigial structures</p> Signup and view all the answers

    Comparative embryology focuses on the early development of most ____________.

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

    What is the process of comparing the biochemistry of organisms called?

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

    What does ichnofossil (trace fossil) record?

    <p>Biological activities and behaviors of an organism</p> Signup and view all the answers

    Which event is known as the worst extinction event ever?

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

    Which process refers to changes in the frequencies of genes in a population over time?

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

    What would happen if all organisms were the same?

    <p>The population would be vulnerable to pathogens</p> Signup and view all the answers

    Which principle states that the original proportions of genotypes in a population remain constant if certain assumptions are met?

    <p>Hardy-Weinberg Principle</p> Signup and view all the answers

    What assumption does the Hardy-Weinberg Principle make about mutations?

    <p>No mutations occur in the population</p> Signup and view all the answers

    What is the primary goal of taxonomy and systematics?

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

    Which of the following is NOT one of the five kingdoms proposed by Carolus Linnaeus?

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

    What is the correct order of taxonomic ranks from the most broad to the most specific?

    <p>Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species</p> Signup and view all the answers

    What is the significance of binomial nomenclature in taxonomy?

    <p>It provides a standardized system for naming and classifying organisms</p> Signup and view all the answers

    What is the difference between an artificial classification system and a natural classification system?

    <p>Artificial systems are based on superficial similarities, while natural systems are based on evolutionary relationships</p> Signup and view all the answers

    What is the significance of DNA homology in determining evolutionary relationships between species?

    <p>It suggests that similar organisms have similar origins and evolutionary histories</p> Signup and view all the answers

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