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. 2008 Feb 6;100(5):478–483. doi: 10.1038/sj.hdy.6801088

Table 1.

Proportion of lethal, deleterious, and neutral effects on fitness

Proportion (%) Average effect (%)
Lethal 40.9 −100
Deleterious 36.4 −51.1±4.3
Neutral 22.7