Monday, August 23, 2010

Genetic exchange between different kinds of bacteria can occur through __or through__?

a. sex; mutation


b. conjugation; mutation


c. conjugation; bacteriophage infection


d. mutation; bacteriophage infection


e. conjugation; mitosis





I know conjugation is one of the answers but cannot find the second answer.





thank you

Genetic exchange between different kinds of bacteria can occur through __or through__?
C, a bacteriophage can infect a population ie your bacteria
Reply:You can also find the answer by the process of elimination. A mutation is not a genetic exchange. Also, mitosis is not a type of genetic exchange.
Reply:Of these, the best answer is


C





Rarely, a bacterium can pick up DNA from the external environment. An experiment with this was one of the waysthat DNA was identified as the carrier of genetic information. More info on the link, read about Avery (et al)'s experiment.


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