MCAT Biology Question — Genetic Information

  • Reviewed By: Liz Flagge
  • Which term describes exchange of viral and/or bacterial genetic information from one cell to another via a viral bacteriophage vector?

    A. transformation

    B. translocation

    C. transduction

    D. transcription

    Click for Explanation

    Exchange of viral and/or bacterial genetic information from one cell to another via a viral bacteriophage vector defines transduction.

    A. transformation, incorrect, Transformation describes a bacterium acquiring new genetic material from the surrounding environment through the cell membrane.

    B. translocation, incorrect, Translocation refers to movement of genetic information to a different chromosomal location on a nonhomologous chromosome.

    C. transduction, correct.

    D. transcription, incorrect, Transcription describes creation of mRNA from a DNA template.

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