Fig. 2From: Variation at the DRD4 locus is associated with wariness and local site selection in urban black swansDRD4 alignment for black swans. Alignments are for (a) nucleotides and (b) amino acids of exon three of the dopamine receptor D4. Dots indicate matching nucleotides or amino acids relative to allele A. Allele identifiers include the allele name and GenBank accession numberBack to article page