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Fig. 3 | BMC Bioinformatics

Fig. 3

From: Reconciliation feasibility in the presence of gene duplication, loss, and coalescence with multiple individuals per species

Fig. 3

Allele and paralog constraints. a Genes are sampled at two loci 1 and 2 from two individuals i and ii in a single species A. Within this species, genes at the same locus (across multiple individuals) must be alleles, and genes at different loci (regardless of individual) must be paralogs. b A valid reconciliation must not include a duplication along the path between alleles (left, each color corresponds to one locus, and no colored branch can have a duplication). At the same time, a valid reconciliation must include a duplication along the path between paralogs (right, every colored path must have a duplication on at least one branch of the path). There is no way to simultaneously satisfy these constraints, so this gene tree is not reconcilable

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