In this study, heterozygous URDVs identified in B9D1, CC2D2A, INPP5E, KIAA0586, KIF7, MKS1, NPHP3, PIBF1, RPGRIP1L, and TMEM67 belong to ciliopathy genes known to contribute to autosomal recessive syndromes MKS and JBTS in humans. This evidence concerns the gene CC2D2A and Joubert syndrome.