Genetic recombination is the combining of DNA from one organism with the DNA of another. The experiments below describe how scientists recombined bacterial and mammalian DNA.
Bacteria contain plasmids, rings of DNA that can be removed and used in genetic recombination. Plasmids are cut open using restriction enzymes. Each restriction enzyme cuts DNA when it encounters an enzyme-specific sequence within the DNA. Researchers tried various restriction enzymes on an E. coli bacterial plasmid. The results are shown in Table 1.
Researchers inserted a gene that coded for a certain blood protein found in mammals into the bacterial plasmid. The bacterial plasmid DNA sequence is shown in Figure 1. Researchers used a restriction enzyme that cut at “ACGACG” to open the plasmid and insert the mammalian gene.
0 of 5 Questions completed
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 5 Questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
According to the passage and Table 1, how many RS 3 sequences were present in the plasmid used?CorrectIncorrect
Based on the information provided, what is the reason for the 0 fragments produced with RS5 in Table 1?CorrectIncorrect
According to the passage, which of the following is considered to be genetic recombination?CorrectIncorrect
RS 2 in Experiment 1 cuts at the sequence AAACCC. Based on this and the information presented in Table 1, which of the following is the most probable sequence of the the bacterial plasmid?CorrectIncorrect
Suppose a scientist discovered a new restriction enzyme in Experiment 2 that cut at the sequence TTTGGG. Based on the information presented, should the scientist use this new restriction enzyme?CorrectIncorrect