Fig. 3 | Communications Biology

Fig. 3

From: Expansion of vomeronasal receptor genes (OlfC) in the evolution of fright reaction in Ostariophysan fishes

Fig. 3

Evolutionary dynamics of intact OlfC genes in fishes. Both intact OlfC genes (a) and OlfC subfamily 9 (b) are examined. The estimated numbers of OlfC gene gains and losses are shown on each branch with plus and minus signs, respectively. The estimated number of genes for the ancestral nodes is shown in the cyan circles, and the number of intact OlfC genes in extant fish species is shown in the yellow boxes. Fish species having fright reaction are marked with red stars

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