Bardet-Biedl Syndrome 20, also known as bbs20, is related to bardet-biedl syndrome and bardet-biedl syndrome 22. An important gene associated with Bardet-Biedl Syndrome 20 is IFT172 (Intraflagellar Transport 172), and among its related pathways/superpathways are Synthesis of bile acids and bile salts and Bardet-Biedl syndrome. Affiliated tissues include heart and liver, and related phenotypes are global developmental delay and increased intracranial pressure