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Biology, 07.04.2020 19:03 Weser17

The introductory passage describes the way in which Vibrio cholerae bacteria obtain genes from their prey. Based on the information in the introductory passage and in the chapter, what type of gene transfer is this?

a. binary fission

b. transduction

c. conjugation

d. transformation

When new genetic material enters a bacterial cell through conjugation, transformation, or transduction, a merodiploid cell can be formed. Does this happen with the V. cholerae bacteria?

a. Yes, it produces temporary merodiploid cells between the time the genetic material enters the cell and the time that recombination occurs.
b. No, it cannot produce merodiploid cells because bacterial cells must always be haploid.
c. No, it cannot produce merodiploid cells because merodiploid cells can be produced only when entire genomes enter cells.
d. Yes, it produces permanent merodiploid cells because the newly introduced DNA has a replication origin.
e. Yes, it can, but only very briefly because the new genetic material is integrated back into the chromosome instead of undergoing recombination.

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