Answer:
B. Putting the bacterium through a mass spectrometer.
Explanation:
FOR OBSERVATION AND TO CHECK THE RECOMBINANT DNA PROCESS WE HAVE TO THE OBSERVE THE REPLICATION PROCESS OF BACTERIA.
The ratio of the outcomes in that Punnett Square is 2:2
The single type of bacteria is not adequate to make any conclusions.
The answer is two molecules each will have one original strand and one new stand.