Multiple Choice
Use the following to answer questions:
In a hypothetical experiment, researchers split a bacterial colony in two, allowing each of the new colonies to evolve separately. They then sequenced a gene from colony 1 and colony 2.
-In the common ancestor, the nucleotide at site 56 is A. In colony 1, it changes to C; in colony 2, it changes to T. This is an example of a _______ substitution.
A) single
B) coincident
C) parallel
D) back
E) multiple
Correct Answer:

Verified
Correct Answer:
Verified
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