Use the Following to Answer Questions

question 6

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 327 is G. In colony 1, it changes to C; in colony 2, it also changes to C. This is an example of a _______ substitution.

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