A position effect on TRPS1 is associated with Ambras syndrome in humans and the Koala phenotype in mice.
Fantauzzo KA, Tadin-Strapps M, You Y, Mentzer SE, Baumeister FA, Cianfarani S, Van Maldergem L, Warburton D, Sundberg JP, Christiano AM. A position effect on TRPS1 is associated with Ambras syndrome in humans and the Koala phenotype in mice. Hum Mol Genet. 2008 Nov 15; 17(22):3539-51.