BBS1 and Bardet-Biedl syndrome: Approximately 80% of the clinically examined BBS cases (Forsythe & Beales, 2015) have been associated with biallelic mutations in one of the 21 BBS genes, of which Bardet‐Biedl syndrome‐1 gene (BBS1: 209,901) is the most frequently mutated (Billingsley, Deveault, & Heon, 2011).