This chart was given on a practice problem (sorry about the format - didn't let me copy it):
Fidelity of nucleotide incorporation on normal and mutant templates of ssDNA:
A = 1 (normal) | 100 (mutant)
C = 300,000 (normal) | 100,000 (mutant)
T = 3 (normal) | 50 (mutant)
G = .3 (normal) | 1...