Question

Jason adds the antibiotic penicillin to a bacterial culture. The bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. What caused this genetic modification?

Answer 1

Jason adds the antibiotic penicillin to a bacterial culture. The bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. What caused this genetic modification?

Answer 2

A mutation. Adaption and resistance - evolution, essentially. Those who survived the antibiotic developed a mutation which was able to resist the antibiotic and this became passed down to offspring.

Hope this helps!