Below Are Short Fragments of DNA Sequences from Two Yeast

Multiple Choice

Below are short fragments of DNA sequences from two yeast strains (A and B) , which have been diverging from each other, as well as a short fragment from their common ancestor (C) . Yeast A: TGACTGCAAACATCCTAG
Yeast B: TGCCTGGACACATCGAAG
Yeast C: TGCCTGGAAACCTCCTAG
Based on the information from all three sequences, there is evidence for _______ parallel substitution(s) and _______ coincident substitution(s) .

A) zero; one
B) one; zero
C) one; one
D) one; two
E) two; zero