In an Experiment, Researchers Split a Bacterial Colony in Two

question 65

Multiple Choice

In an experiment, researchers split a bacterial colony in two, allowing each of the new colonies to evolve separately.They then sequence a gene from colony 1 and colony 2.In the common ancestor, at nucleotide site 327 there is G.In colony 1, there is C; in colony 2, there is C.This is an example of a _______ substitution.

• A) single
• B) coincident
• C) parallel
• D) back
• E) multiple

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