Figure 1.

Distribution of hypothetical trait with expectation determined by genotype and its interaction with a binary trait. A, B, C: distribution of the trait for genotypes AA, AB, BB, correspondingly in a case when the interacting factor is present. D, E, F: distribution of the trait for genotypes AA, AB, BB, correspondingly in a case when the factor is absent. G, H, I: distribution of the trait for genotypes AA, AB, BB, correspondingly in a case when factor is unknown. In this case the distributions present mixtures of upper two ones.

Struchalin et al. BMC Genetics 2010 11:92   doi:10.1186/1471-2156-11-92
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