[js1138]

http://www.freerepublic.com/focus/f-news/1634489/posts?page=57#57

[Southack]

"How many base pairs in the target gene? 1953"

To cover all possible permutations of 1953 base pairs (of which there are 4: (G, A, T, and C) would require 4^1953. 4 to the 1953rd power.