TYRP1 and oculocutaneous albinism type 3: The TYRP1 gene represents the B locus from classical genetics, and TYRP1 variants have been described in humans with oculocutaneous albinism type III [4], as well as many animal species with brown coat or feather color, including cats, cattle, chicken, goats, mice, minks, pigs, quail, rabbits and sheep [5,6,7,8,9,10,11,12,13,14].