Which of the following statements is TRUE concerning the work of the Esther and Joshua Lederberg?
A) Their work demonstrated that mutations in organisms arise in response to environmental conditions.
B) Their work demonstrated that mutations are determined by an organism's "needs."
C) Their work demonstrated that mutations cannot occur randomly in organisms.
D) Their work relied on a technique of bacterial culture known as "replica plating."
E) Their work relied on a technique of bacterial culture known as "replica plating," and demonstrated that mutations occur randomly in organisms.
Correct Answer:
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