Question

A disease-causing bacteria develops resistance to medicine by undergoing a mutation. As a result, humans develop new medicine to kill medicine-resistant bacteria.
Which is the effect of the mutation on the bacteria?


A It is a beneficial mutation; bacteria can survive
B It is a harmful mutation; humans will remain exposed to bacteria.
C It is a neutral mutation; humans continue developing new medicines.
D It is a harmful mutation; bacteria have reduced adaptation.

Answer 1

Answer:

B

Explanation:

If we were to treat the bacterial population with that specific antibiotic, only the resistant bacteria will be able to multiply; the antibiotic selects for them. These bacteria can now increase in numbers and the end result is a population of mainly resistant bacteria