The Source of Variation Among Microorganisms That Were Once Identical

Question

The source of variation among microorganisms that were once identical is
A) antibiotic resistance.
B) virulence factors.
C) mutation.
D) sigma factors.
E) mutant.

Accepted Answer

The source of variation among microorganisms that were once identical is mutation. Mutations are changes in the genetic material of an organism, which can produce new traits and therefore variation.