Biology CLEP Prep Practice Exam

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What type of process is necessary for prokaryotes to exchange genes?

  1. Gene flow

  2. Natural selection

  3. Transduction

  4. Conjugation

The correct answer is: Conjugation

Conjugation is the process by which prokaryotes exchange genetic material through direct cell-to-cell contact. This involves the transfer of plasmids, which are small circular pieces of DNA, between bacteria. Natural selection and gene flow are not the correct processes, as they do not involve direct gene exchange. Transduction is also not the correct process, as it involves the transfer of genetic material through viruses rather than direct contact.

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