Biology, 03.12.2019 19:31, zuleromanos
Ageneticist uses a cloning plasmid that contains the lacz gene and a gene that confers resistance to penicillin. she inserts a piece of foreign dna into a restriction site located within the lacz gene and uses the plasmid to transform bacteria. she then grows the bacteria on selective media containing penicillin and x-gal.
explain how the geneticist can identify bacteria that contain a plasmid with the foreign dna.
a. only bacteria with the desired plasmid produce living colonies.
b. bacteria with the desired plasmid produce white colonies.
c. bacteria with the desired plasmid produce both blue and white colonies.
d. bacteria with the desired plasmid produce blue colonies.
Answers: 1
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Ageneticist uses a cloning plasmid that contains the lacz gene and a gene that confers resistance to...
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