PAX1 and Klippel-Feil syndrome 1, autosomal dominant: Indeed, KFS manifests various inheritance patterns [11], with previously identified candidate genes encompassing GDF3 (OMIM 606522), GDF6 (OMIM 601147), MEOX1 (OMIM 600147), PAX1 (OMIM 167411), RIPPLY2 (OMIM 609891), and MYO18 (OMIM 607295) [12].