human wallpaperProviderpixabayResolution3000 × 2000Aspect ratio1.50:1AuthorPixiMe01SourceOpen original page Download wallpaper Available sizesPreview150 × 100Web640 × 427Large3000 × 2000Tagshumandnageneticcytosinec-rich regionsi-motifi-tetraplexi-dnadnsi-motif dna