These half-face double portraits from Canadian photographer Ulric Collette illustrate facial similarities between brothers and sisters, fathers and sons, and twins. And… shuffle! This is where Genetic Portraits spotted by PetaPixel get really interesting. Strikingly different-looking cousins pout with same-shaped lips. A side of a pretty young gal’s face blends into weary sagged skin and dignified ridges of wrinkles, but a calm, warm stare remains. Brotherly kin share incredible likeness of features, save for one hazel and one pale blue iris. Severe brows furrow on both sides of a split face, but one isn’t grey… yet. See DNA in action in our slide show.