Question 1

(Multiple Choice)

You insert a fragment of sheep DNA into a plasmid containing an AmpR gene.You transform bacteria with the recombinant plasmid,and plate the cells on growth media containing the antibiotic ampicillin.Each colony on the plate arose from _____ that ____ to ampicillin.


A)a single cell;is sensitive
B)many bacteria;are resistant
C)many bacteria;are sensitive
D)a single cell;is resistant

Answer

D