Question
Biology Question on evolution
Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used :
A
only on plates with streptomycin
B
on plates with minimal medium
C
only on plates without streptomycin
D
on plates with and without streptomycin
Answer
only on plates with streptomycin
Explanation
Solution
Plates containing streptomycin enable the growth and proliferation of only those bacteria that possess resistance to the antibiotic.
So, the correct option is (A): only on plates with streptomycin