DNA Recombination Quiz
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Questions and Answers

Which process involves the exchange of genetic information?

  • DNA translation
  • DNA recombination (correct)
  • DNA transcription
  • DNA replication
  • Which type of DNA recombination occurs as a reciprocal exchange between identical or nearly identical sequences?

  • Intermolecular recombination
  • Homologous recombination (correct)
  • Intramolecular recombination
  • Non-homologous recombination
  • What is the main difference between homologous recombination and non-homologous recombination?

  • Homologous recombination occurs between paternal and maternal chromosomes, while non-homologous recombination occurs between different sequences. (correct)
  • Homologous recombination occurs as random insertion of viral genome, while non-homologous recombination occurs between identical or nearly identical sequences.
  • Homologous recombination occurs as a non-reciprocal exchange, while non-homologous recombination occurs as a reciprocal exchange.
  • Homologous recombination occurs with limited sequence homology, while non-homologous recombination occurs with high sequence homology.
  • Which type of homologous recombination occurs between two separate homologous molecules?

    <p>Intermolecular recombination</p> Signup and view all the answers

    What is the biological role of recombination?

    <p>Generating new gene/allele combinations</p> Signup and view all the answers

    Which type of DNA recombination occurs as a non-reciprocal exchange between different sequences with limited sequence homology, such as random insertion of viral genome?

    <p>Non-homologous recombination</p> Signup and view all the answers

    What is the term for homologous recombination that occurs between two separate homologous molecules?

    <p>Intermolecular recombination</p> Signup and view all the answers

    Which type of homologous recombination produces a circular DNA and a linear short DNA?

    <p>Direct repeats</p> Signup and view all the answers

    What is the main biological role of recombination?

    <p>Generating new gene/allele combinations</p> Signup and view all the answers

    During which process does homologous recombination occur?

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

    Study Notes

    DNA Recombination

    • Genetic information is exchanged through a process called DNA recombination.
    • Homologous recombination occurs as a reciprocal exchange between identical or nearly identical sequences.
    • Homologous recombination differs from non-homologous recombination in that it involves the exchange of genetic information between identical or nearly identical sequences.
    • Inter-molecular homologous recombination occurs between two separate homologous molecules.
    • The biological role of recombination is to increase genetic diversity and facilitate the repair of DNA damage.
    • Non-homologous recombination occurs as a non-reciprocal exchange between different sequences with limited sequence homology, such as random insertion of viral genome.
    • Inter-molecular homologous recombination is also known as inter-chromosomal recombination.
    • Single-strand annealing produces a circular DNA and a linear short DNA.
    • The main biological role of recombination is to increase genetic diversity and facilitate the repair of DNA damage.
    • Homologous recombination occurs during meiosis, a process of cell division that produces gametes (sperm or egg cells).

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    Description

    Test your knowledge on DNA recombination, the process of exchanging genetic information. Learn about the two main types: homologous recombination and non-homologous recombination.

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