FGFR2 and achondroplasia: Similar observations have been made for other disorders involving dominant mutations in FGFR2 or FGFR3-including Apert [Moloney et al., 1996], Pfeiffer [Glaser et al., 2000], and Muenke [Rannan-Eliya et al., 2004] syndromes and achondroplasia [Wilkin et al., 1998].