A) Mutation and isolation
B) Isolation and competition
C) Mutation and competition
D) Variation and competition
Correct Answer: A
Solution :[a] In biology, a mutation is a permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extra chromosomal DNA or other genetic elements. In microbiology, the term isolation refers to the separation of a strain from a natural, mixed population of living.
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