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. 2013 May 20;4:84. doi: 10.3389/fgene.2013.00084

Figure 2.

Figure 2

Genetic analysis of complex traits. Single gene perturbations such as Mendelian traits and knockout mouse models involve two states where causality is easy to establish. Collections of strains of mice, or randomly sampled people, are examples of multiple gene perturbations, which involve many states where interactions can be studied using correlation and network modeling.