Fig. 4.

Foot feathering has a single haplotype origin. Each individual is identified by two haplotypes, one labeled after the name of the individual with the suffix “.1” and the second with the suffix “.2.” Individuals from the control group (i.e., scaled epidermis) are colored in blue, whereas samples from the case group (i.e., feathered feet) are shown in orange. The individual from the Gallus gallus, G. sonneratii, G. lafayetii, and G. varius is labeled in red. Samples with little feather development are identified by the “+” symbol following the haplotypes name, otherwise by a “++” symbol if heavily feathered. Haplotypes were defined by taking 2 kb upstream and 2 kb downstream the most significant variant (15:12,571,054). The genomic location of the reconstructed haplotype with respect to the lncRNA and TBX5 protein-coding gene is highlighted in gray.