Table I.
Ratio of genes to beads used for each round of selection. Double bars indicate rounds which were preceeded by mutagenesis.
| round | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| # genes per bead | 1000 | 100 | 1 | 1 | 0.5 | 100 | 1 | 100 | 1 | 1 | 0.5 | 100 | 1 | 1 | 0.5 |
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