<prompt> All of the following are featured of Treacher Collins syndrome, exceptAnti-mongoloid palpebral fissureHypoplasia of malar bones and mandibleMacrostomia, high palateOsteomas of bone  <response>: Treacher Collins syndrome or mandibulofacial dysostosis is a group of closely related defects of the head and face, characterised byAntimongoloid palpebral fissures with a coloboma of the outer portion of the lower eyelidHypoplasia of the malar bones and mandible Malformation of the external earMacrostomia, high palate and malocclusion of teethBlind fistulas between angles of ears and angles of the mouth 