Assertion (A): Drug resistance in bacteria is an example of evolution by natural selection. Reason (R): Bacteria with mutations conferring drug resistance survive and reproduce more effectively in the presence of antibiotics.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: A
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