Table 1. Proportion and number (in parentheses) of lethal, deleterious, neutral, and beneficial effects for random and previously described mutations
Random
Preobserved
Total
Proportion, % Effect, % Proportion, % Effect, % Proportion, % Effect, %
Lethal 39.6 (19) —100 11.6 (5) —100 26.4 (24) —100
Deleterious 29.2 (14) —24.4 41.9 (18) —16.4 35.2 (32) —19.9
Neutral 27.1 (13) —3.8 32.6 (14) —0.9 29.7 (27) —2.3
Beneficial 4.2 (2) 4.2 14.0 (6) 7.9 8.8 (8) 7.0
Total 100 (48) —47.6 100 (43) —17.7 100 (91) —33.4
  • For each category, the mean fitness effect is shown.