| Mean fitness change, % | Fitness variance | Skewness | Kurtosis | Percent of lethal events |
---|---|---|---|---|---|
Mutations | Â | Â | Â | Â | Â |
Un-evolved populations | -6.6% | 0.109 | -0.014 | 3.10 | 33.0% |
Evolved populations | -4.5% | 0.032 | -1.028 | 6.39 | 3.2% |
Horizontal gene transfer | Â | Â | Â | Â | Â |
Un-evolved populations | -5.1% | 0.063 | -0.129 | 4.49 | 14.4% |
Evolved populations | -6.6% | 0.048 | -0.064 | 4.70 | 4.6% |
Experimental values (mutations) | Â | Â | Â | Â | Â |
VSV RNA virusa | -6.4% | Â | Â | Â | 26.4% |
Bacteriophage f1b,d | -10.7% | 0.037 | -1.909 | 3.16 | 21.0% |
Qβ bacteriophagec,d | -10.3% | 0.018 | -1.167 | 0.24 | 28.6% |
E. coli (insertions)e | -3.2% to -1.2% | < 0.01 | Â | Â | < 5% |